Manuals+

Philips TAT3508 True Wireless Headphones User Manual

Register your product and get support at www.philips.com/support

Contents

1 Important Safety Instructions

Hearing Safety

⚠ To avoid hearing damage, limit the time you use headphones at high volume and set the volume to a safe level. The louder the volume, the shorter the safe listening time.

Ensure you observe the following guidelines when using your headphones:

  • Listen at reasonable volumes for reasonable periods of time.
  • Be careful not to continuously adjust the volume upwards as your hearing adapts.
  • Do not turn up the volume so high that you cannot hear what is around you.
  • You should use caution or temporarily discontinue use in potentially hazardous situations.
  • Excessive sound pressure from earphones and headphones can cause hearing loss.
  • Using headphones with both ears covered while driving is not recommended and may be illegal in some areas.
  • For your safety, avoid distractions from music or phone calls while in traffic or other potentially hazardous environments.

General Information

⚠ To avoid damage or malfunction:
  • Do not expose headphones to excessive heat.
  • Do not drop your headphones.
  • Headphones shall not be exposed to dripping or splashing. (Refer to the product's specific IP rating).
  • Do not allow your headphones to be immersed in water.
  • Do not charge your headphones when the connector or socket is wet.
  • Do not use cleaning agents containing alcohol, ammonia, benzene, or abrasives.
  • If cleaning is required, use a soft cloth, if necessary dampened with a minimum amount of water or mild soap.
  • The integrated battery shall not be exposed to excessive heat such as sunshine, fire or the like.
  • Risk of explosion if battery is replaced by an incorrect type. Replace only with the same or equivalent type.
  • To achieve the Ingress Protection (IP) rating, the charging port cover must be closed.
  • Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, can result in an explosion.
  • Leaving a battery in an extremely high temperature surrounding environment can result in an explosion or the leakage of flammable liquid or gas.
  • A battery subjected to extremely low air pressure may result in an explosion or the leakage of flammable liquid or gas.
  • To prevent fire hazard, the device is only supplied by an external power source that must comply with PS1 (with output power less than 15W).

Operating and Storage Temperatures and Humidity

  • Store in a place where the temperature is between -20°C (-4°F) and 50°C (122°F) with up to 90% relative humidity.
  • Operate in a place where the temperature is between 0°C (32°F) and 45°C (113°F) with up to 90% relative humidity.
  • Battery life may be shorter in high or low temperature conditions.
  • Replacing a battery with an incorrect type can severely damage the headphones and battery (e.g., in the case of some lithium battery types).

2 Your True Wireless Earbuds

Congratulations on your purchase, and welcome to Philips! To fully benefit from the support that Philips offers, register your product at www.philips.com/support.

With these Philips True Wireless Earbuds, you can:

Box Contents

The Philips TAT3508 True Wireless Earbuds package includes:

  • Philips True Wireless Earbuds
  • Charging Case
  • Ear tips x 6 (various sizes)
  • USB Type-C charging cable (for charging only)

Other Devices

A mobile phone or device (such as a laptop, tablet, Bluetooth adapters, MP3 players, etc.) that supports Bluetooth and is compatible with the earbuds.

Overview of Your True Wireless Earbuds

  1. Multi-function touch button (MFT)
  2. LED indicator (earbuds)
  3. Bluetooth pairing button
  4. LED indicator (battery or charging status)
  5. USB Type-C charging slot

3 Getting Started

Charging the Battery

Note:
  • Before first use, place the headphones in the charging case and charge the battery for 2 hours to achieve optimal battery capacity and lifespan.
  • Use only the original USB charging cable to avoid any damage.
  • End your call before charging. Connecting the earbuds for charging will turn them off.
  • If the headphones are not used for a long time, the rechargeable battery will start to lose its charge. To avoid this, please fully charge the battery at least once every three months.

Charging the Earbuds

  • Place the earbuds in the charging case.
  • The earbuds will start charging, and a white LED light will illuminate.
  • When the earbuds are fully charged, the white light will turn off.

Charging the Case

  • Connect one end of the USB Type-C cable to the charging case and the other end to a power source.
Tip:
  • The charging case acts as a portable backup battery to charge the earbuds. When the charging case is fully charged, it can fully recharge the earbuds twice.
Tip:
  • Typically, a full charge takes 2 hours (for earbuds or charging case) via USB cable.

How to Use

Select the appropriate ear tips for optimal fit.

A secure and snug fit will provide the best sound quality and noise cancellation.

  1. Test the ear tip that provides you with the best sound and comfort when wearing.
  2. 3 sizes of ear tip covers are available for replacement: large, medium, and small.

Inserting the Earbuds

  1. Check the left or right direction of the earbud.
  2. Insert the earbuds into your ears and twist them slightly until a secure fit is achieved.

Download the App

Scan the QR code / tap the "Download" button or search for "Philips Headphones" in the Google Play or Apple App Store to download the app.

The Philips Headphones app allows you to control the music you listen to. You can customize the sound to suit your music and call experience at all times.

Pairing Your Earbuds with a Bluetooth Device for the First Time

  1. Ensure the earbuds are fully charged and turned off.
  2. Open the charging case lid; the earbuds will be in pairing mode and ready to connect.
  • The LEDs on both earbuds will flash white and blue alternately.
  • The earbuds are now in pairing mode and ready to pair with a Bluetooth device (e.g., a mobile phone).

Pairing with Another Bluetooth Device

  1. Turn on the Bluetooth feature on your Bluetooth device.
  2. If you want to pair another Bluetooth device with the earbuds, simply put them in pairing mode (press the button in the case for 3 seconds with both earbuds and the lid open), then search for the second device for normal pairing.
Note:
  • After turning on, if the earbuds cannot find any previously connected Bluetooth device, they will enter pairing mode (press the button in the case for 3 seconds with both earbuds inside and the lid open).

The following example shows how to pair the earbuds with a Bluetooth device:

  1. Turn on the Bluetooth feature on your Bluetooth device, and select Philips TAT3508.
  2. Enter the earbud password "0000" (4 zeros) if prompted. For devices equipped with Bluetooth 3.0 or later, no password entry is required.

Single Earbud Mode

Take out the right or left earbud from the charging case to use a single earbud. The earbud will automatically turn on.

Note:
  • Take out the second earbud from the charging case, and it will automatically pair with the first one.

Multi-point Connection

Pairing
  • Pair the headphones with two devices, such as a mobile phone and a laptop.
Switching Between Devices
  • At any time, music can only be listened to from one device. The other device will be for phone calls.
  • Pause audio from device 1, then start playing audio from another device.
Note:
  • When audio is playing from device 1, receiving a call from device 2 will automatically pause device 1. The call will be routed to the headphones.
  • Ending the call will automatically resume playback from device 1.
Note:
  • The earbuds store 4 devices in memory. If you try to pair more than 4 devices, the first paired device will be replaced by the latest one.

4 Using the Earbuds

Connecting the Earbuds to a Bluetooth Device

  1. Turn on the Bluetooth feature on your Bluetooth device.
  2. Open the charging case lid.
  • The LED indicator will flash blue.
  • The earbuds will search for the last connected Bluetooth device and automatically reconnect to it. If the last connected device is not available, the earbuds will search for another connected device and reconnect.
Tip:
  • If you turned on the Bluetooth function on your Bluetooth device after turning on the earbuds, you must go to the Bluetooth menu on the device and manually connect the earbuds to the device.
Note:
  • On some Bluetooth devices, the connection may not be automatic. In this case, you must go to the Bluetooth menu on the device and manually connect the earbuds to the device.

Controlling ANC (Active Noise Cancellation)

Enabling ANC

Different ANC modes can be switched by double-tapping the left earbud.

  • ANC function is automatically activated when the earbud is placed in the ear.
  • Double-tap the multi-function touch button again to turn off the ANC function.
  • Double-tap the multi-function touch button again, and it will switch to Awareness mode.
ActionMulti-function Touch ButtonFunction
Turn OnDouble-tap left earbudTurn on ANC
Awareness ModeDouble-tap left earbudAwareness Mode
Turn OffDouble-tap left earbudTurn off ANC
Quick AwarenessContinue touching after beep (left earbud)Quick Awareness

Power On / Off

ActionMulti-function Touch ButtonFunction
Turn OnRemove earbuds from charging caseTurn on earbuds
Turn OffReturn earbuds to charging caseTurn off earbuds

Managing Calls and Music

Music Control

ActionMulti-function Touch ButtonFunction
Play/Pause MusicDouble-tap right earbudPlay/Pause
Next TrackTriple-tap right earbudNext Track
Previous TrackTriple-tap left earbudPrevious Track
Volume UpPress and hold right earbudIncrease Volume
Volume DownPress and hold left earbudDecrease Volume

Call Control

ActionMulti-function Touch ButtonFunction
Answer/End CallSingle-tap right/left earbudAnswer/End Call
Reject CallDouble-tap right/left earbudReject Call

Voice Assistant

ActionMulti-function Touch ButtonFunction
Activate Voice Assistant (Siri/Google)Continue touching after beep (right earbud)Activate Voice Assistant
Deactivate Voice AssistantSingle-tap right earbudDeactivate Voice Assistant

Earbud LED Indicator Status

Earbud StatusIndicator
Earbuds connected to Bluetooth deviceWhite LED flashes once
Earbuds ready for pairingBlue and white LED flashes alternately
Earbuds in use, but not connected to BluetoothWhite LED flashes every second (turns off automatically after 3 minutes)
Low battery (earbuds)White LED flashes 3x every 5 seconds
Battery fully charged (charging case)Refer to Charging Case LED Status

Charging Case LED Indicator Status

Charging StatusIndicator
Low batteryAmber LED illuminates
Sufficient batteryWhite LED illuminates
In Use and Lid OpenIndicator
Low batteryWhite LED flashes slowly for 4 cycles
Sufficient batteryOff (Power Off)

5 Resetting the Earbuds

If you encounter any issues with pairing or connection, you can follow the steps below to reset the earbuds to factory default settings.

  1. On your Bluetooth device, go to the Bluetooth menu and remove Philips TAT3508 from the list of devices.
  2. Turn off the Bluetooth feature on your Bluetooth device.
  3. Return the earbuds to the charging case and open the lid.
  4. Press the button on the charging case twice.
  5. Follow the steps in "Using Your Earbuds - Connecting the Earbuds to a Bluetooth Device."
  6. Pair the earbuds with your Bluetooth device, and select Philips TAT3508.
  • If there is no response from the earbuds, you can follow the next step to reset the earbuds.
  • Return the earbuds to the charging case, open the lid, and press the button on the case for more than 10 seconds.

6 Technical Data

  • Music playtime (ANC on): 7 + 14 hours
  • Music playtime (ANC off): 18 + 9 hours
  • Standby time: 200 hours
  • Charging time: 2 hours
  • Lithium-ion battery: 55 mAh/earbud, 400 mAh/charging case
  • Bluetooth version: 5.3
  • Compatible Bluetooth profiles:
    • HFP (Hands-Free Profile)
    • A2DP (Advanced Audio Distribution Profile)
    • AVRCP (Audio/Video Remote Control Profile)
    • TMAP (Audio and Telephony Profile)
  • Supported audio codec: LC3, SBC
  • Frequency range: 2.402-2.480 GHz
  • Transmitter power: <10 dBm
  • Operating range: Up to 10 meters (33 feet)
  • Automatic power off
  • USB Type-C charging port
  • Low battery warning: Available
Note:
  • Specifications are subject to change without notice.

7 Notice

Declaration of Conformity

Hereby, MD Hong Kong Holding Limited declares that the product is in compliance with the essential requirements and other relevant provisions of RED Directive 2014/53/EU and UK Radio Equipment Regulations SI 2017 No. 1206. The Declaration of Conformity can be found on the website: https://www.philips.com/support.

Disposal of Your Old Product and Battery

The product is designed and manufactured with high-quality materials and components that can be recycled and reused.

The symbol on the product means that the product is covered by European Directive 2012/19/EU.

The symbol on the product means that the product contains a built-in rechargeable battery covered by European Directive 2013/56/EU, which cannot be disposed of with normal household waste. We strongly advise you to take your product to an official collection point or a Philips service center to have the rechargeable battery professionally removed. Familiarize yourself with the local separate collection system for electrical and electronic products and rechargeable batteries. Follow local rules and never dispose of the product and rechargeable batteries with normal household waste. Correct disposal of old products and rechargeable batteries helps prevent negative consequences for the environment and human health.

In case there is no collection/recycling system for electronic products in your country, you can protect the environment by removing and recycling the battery before disposing of the earbuds.

  • Ensure the earbuds are disconnected from the charging case before removing the battery.
  • Ensure the charging case is disconnected from the USB charging cable before removing the battery.

EMF Compliance

This product complies with all applicable standards and regulations regarding exposure to electromagnetic fields.

Environmental Information

All unnecessary packaging has been omitted. We have tried to make the packaging easy to separate into three materials: cardboard (box), polystyrene foam (cushioning), and polyethylene (bags, protective foam sheet).

Your system consists of materials that can be recycled and reused if disassembled by a specialized company. Please observe the local regulations regarding the disposal of packaging materials, exhausted batteries, and old equipment.

Compliance Notice

The device complies with FCC Rules, Part 15. Operation is subject to the following two conditions:

  1. This device may not cause harmful interference.
  2. This device must accept any interference received, including interference that may cause undesired operation.

However, there is no guarantee that interference will not occur in a particular installation. If this device causes harmful interference to radio or television reception, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

FCC Radiation Exposure Statement:

This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Canada:

The license-exempt transmitter/receiver contained in this device complies with Innovation, Science and Economic Development Canada's license-exempt RSS(s). Operation is subject to the following two conditions: (1) The device may not cause interference; (2) The device must accept any interference, including interference that may cause undesired operation of the device.

CAN ICES-003(B)/NMB-003(B)

IC Radiation Exposure Statement:

This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

8 Trademarks

Bluetooth

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by MMD Hong Kong Holding Limited is under license. Other trademarks and trade names are those of their respective owners.

Siri

Siri is a trademark of Apple Inc., registered in the U.S. and other countries.

Google

Google and Google Play are trademarks of Google LLC.

9 Frequently Asked Questions

  • The Bluetooth-enabled earbuds are connected to a mobile phone, but music only plays on the mobile phone.

    Refer to your mobile phone's user manual. Select this option to listen to music from the earbuds.

  • The Bluetooth-enabled earbuds do not turn on.

    The battery level is low. Charge the earbuds.

  • I cannot pair the Bluetooth-enabled earbuds with a Bluetooth device.

    Bluetooth is disabled. Enable Bluetooth on your Bluetooth device and turn on the Bluetooth device before turning on the earbuds.

  • Pairing does not work.

    • Place both earbuds in the charging case.
    • Ensure the Bluetooth function of any previously connected Bluetooth devices is disabled.
    • On your Bluetooth device, delete "Philips TAT3508" from the Bluetooth list.
    • Pair your earbuds (refer to "Pairing Your Earbuds with a Bluetooth Device for the First Time" on page 6).

  • Sound quality is poor and I can hear noise.

    • The Bluetooth device is out of range. Reduce the distance between the earbuds and the Bluetooth device, or remove obstacles between them.
    • Charge your earbuds.

  • Sound quality is poor when streaming from a mobile phone, or streaming is very slow or not working at all.

    Ensure your mobile phone supports not only HFP (mono) but also A2DP and is compatible with BT4.0x or higher (refer to "Technical Data" on page 11).

  • The Bluetooth device cannot find the earbuds.

    • The earbuds may be connected to a previously paired device. Turn off the connected device or move it out of range.
    • It is possible that the pairing has been reset or the earbuds were previously paired with another device. Pair the earbuds with the Bluetooth device again as described in the user manual. (Refer to "Pairing Your Earbuds with a Bluetooth Device for the First Time" on page 6).

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