TOZO NC9 Pro Wireless Earbuds User Manual

Important FCC Compliance Information

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment 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.

CAUTION: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCC ID: 2A3N3-NC9

Compliance markings: CE, FC, UKCA, PS (PSE mark for Japan), Waste Electrical and Electronic Equipment (WEEE) symbol.

1. Support

Thank you for purchasing the TOZO product. For more information, please visit the TOZO support page:

www.tozostore.com/support

The support section includes FAQs and resources accessible via various devices such as desktop computers, tablets, and mobile phones.

2. Product Introduction

Charging Case

The charging case features LED indicators to show its charging status. It is equipped with a USB-C port for charging.

Earbuds

The TOZO NC9 Pro earbuds come with six sizes of ear tips: XS, S, M, L, XL, and XXL, to ensure a comfortable and secure fit.

Each earbud features:

• ANC Microphone: For Active Noise Cancellation.
• Touch Panel: For controlling playback, calls, and other functions.
• LED Indicator: Provides status feedback.
• Microphone: For calls.
• Intermediate (Channel) ANC Microphone: Another microphone for noise cancellation.

3. Usage

Follow these steps to wear your TOZO NC9 Pro earbuds correctly:

1. Step 1: Ensure the ear tip nozzles are pointed downwards, then insert the earbuds into your ears.
2. Step 2: Rotate the earbuds sideways to achieve a snug and proper fit.

Incorrect Wearing: Wearing the earbuds with the nozzles pointing upwards is incorrect and will not provide optimal sound or comfort.

4. Pairing

To pair your TOZO NC9 Pro earbuds with a device:

1. Step 1: Remove both earbuds from the charging case. They will automatically power on and pair with each other within 10 seconds.
2. Step 2: The earbud indicators will flash alternately red and blue, indicating pairing mode.
3. Step 3: Ensure Bluetooth connectivity is enabled on your device.
4. Step 4: Select "TOZO-NC9 Pro" from the list of available Bluetooth devices on your device.

A typical Bluetooth settings screen on a mobile device would show "TOZO-NC9 Pro" as "Connected" under the "DEVICES" list.

5. Power On and Off

Power On:

1. Remove the earbuds from the charging case; they will power on automatically.
2. Alternatively, press and hold the touch panel on both earbuds simultaneously for at least 3 seconds.

Power Off:

1. Place the earbuds back into the charging case; they will power off automatically.
2. Alternatively, press and hold both earbuds simultaneously for at least 5 seconds.
3. The earbuds will automatically power off after 5 minutes if they are not connected to a device.

6. Active Noise Cancellation (ANC)

Tap the touch panel on the left earbud to switch between ANC (Active Noise Cancellation), Transparency mode, and ANC OFF.

Note: The ANC function is not available when using a single earbud.

WARNING: If the electromagnetic interference signal is strong in your area, it may affect the Bluetooth connection. Please recheck or change your location for optimal performance.

7. Using the Touch Panel

All control settings are programmable within the TOZO APP.

• Single Tap (L/R) - Play: Tap either the left or right earbud once to play audio.
• Single Tap (L/R) - Pause: Tap either the left or right earbud once to pause audio.
• Double Tap (L) - Previous Song: Double tap the left earbud to go to the previous song.
• Double Tap (R) - Next Song: Double tap the right earbud to go to the next song.
• Single Tap (L/R) - Answer Call: Tap either the left or right earbud once to answer an incoming call.
• Hold (L/R) - End Call: Press and hold either the left or right earbud to end a call.
• Hold (L) - Volume Down: Press and hold the left earbud to decrease the volume.
• Hold (R) - Volume Up: Press and hold the right earbud to increase the volume.
• Triple Tap (L/R) - Voice Assistant: Triple tap either the left or right earbud to activate the voice assistant.

8. Charging

The TOZO NC9 Pro earbuds and charging case can be charged using two methods:

• USB Cable Charging: Use the included USB-C cable to charge the case.
• Wireless Charging: The case supports wireless charging with an inductive charger (inductive charger is not included in the set).

The charging case features a digital display that shows the current battery level of the case and individual earbuds (L and R).

9. Resetting Settings

If one of the earbuds malfunctions or fails to pair, a reset is recommended:

1. Step 1: Remove "TOZO – NC9 Pro" from the Bluetooth device list on your device.
2. Step 2: Take both earbuds out of the charging case. Then, press and hold the touch panels on both earbuds until a red light illuminates for approximately 5 seconds to power them off.
3. Step 3: Press and hold both earbuds for about 10 seconds until a blue LED starts flashing rapidly for 3 seconds.

The reset is complete when one of the earbuds flashes alternately red and blue. After the reset, enable Bluetooth on your device to re-establish the connection.

10. TOZO Application

The TOZO application is available on Google Play Store and Apple App Store.

You can scan a QR code to be directed to the store and download the TOZO application.