YYK-525 Wireless Business Headset User Manual

Product Description

The YYK-525 is a wireless business headset designed for clear communication and comfortable wear.

Wireless Pairing

To pair the headset with your device:

1. Ensure the headset is off. Press and hold the multifunction key for about 3 seconds until the blue light comes on once. The red and blue lights will flash alternately, indicating it has entered pairing mode.
2. Turn on the Wireless function on your mobile phone or other Wireless device. Search for available devices.
3. Select "YYK-525" from the list of found devices. If prompted, enter the password "0000" (most phones do not require a password).
4. After successful pairing and connection, the headset indicator light will turn off, signifying a successful connection. You can now make calls and listen to music.

MFB Button Operations

• Refuse to answer: Double-click the switch.
• Cancel call: Click the on key (used during a call).
• Third-party call handover: Click the MFB key.
• Pause / Play: Click on the switch.
• Continue the current call and end the three-party call: Double-click the MFB key.
• Hang up the current call and switch the three-party call: Triple-click the MFB key.
• Call Siri: Long press the on button for 1 second.
• Close Siri: Click the on key.
• Volume Up: Click the volume+ key.
• Next Song: Long press the volume+ button for 1 second.
• Volume Down: Click the volume- key.
• Last Song: Long press the volume- button for 1 second.
• Video call turn off microphone: Long press the volume '+' key for 2 seconds.
• Turn on microphone for a video call: Long press the volume '-' key for 2 seconds.

ON/OFF Switch

1. For first-time use, remove the earbuds from the charging bin and peel off the protective film. Placing the earbuds into the charging bin will turn them off and initiate recharging. Removing them from the bin will turn them on automatically.
2. After use, place the earbuds into the charging bin to turn them off automatically.

Pair with PC/Laptop

Turn on your computer's Settings, navigate to Devices, then Wireless and Other Devices. Select "Initiate Wireless" or "Add Wireless or Other Devices." Search for "YYK-525," then Pair/Connect to play music. If your computer lacks Wireless functionality, insert a Wireless adaptor and download the appropriate driver.

How to Reset?

With the headset off, press and hold the on/off key for 8 seconds. Place the headset into the charging compartment; it will automatically turn off and begin charging. After removing the headset, it will turn on automatically, completing the reset process.

How to Recharge the Earbuds

1. Place the headset in the charging bin. The headset will automatically turn off and begin charging. The display will show the current power level of the charging chamber.
2. When the headset is fully charged, the red indicator light on the headset will turn off.

How to Recharge the Charging Bin

1. Use a mobile phone adapter to recharge the charging bin. Alternatively, you can charge it via a Type-C cable connected to a computer or another charger with a Type-C interface.
2. The digital display on the charging bin will show the recharging process, with "100" indicating a full charge.

Product Specification

Waterproof Specification

The headset is suitable for daily activities including sweating, raining, face-washing, and showering. However, it is not designed for use while swimming, as Wireless signals cannot be transmitted underwater.

Mobile Phone Transmission Range

The transmission distance of the mobile phone is shown in the following chart:

Attention

1. Please do not disassemble or reassemble the product to avoid damage or fire hazards.
2. Keep the product away from corrosive liquids to prevent damage.
3. Avoid exposure to extreme temperatures below 10°C or above 60°C.
4. Keep out of reach of children and pets.
5. Avoid contact with sharp objects to prevent scratches.
6. Do not use the headset during thunderstorms or heavy rain to prevent damage or electric shock.
7. If the product is not used for over a month, please charge it regularly for maintenance.
8. Wireless signals cannot transmit in water, making it unsuitable for swimming or diving.

Troubleshooting

Why cannot I detect Wireless? Why Wireless pairing failure?

1. Ensure the Wireless range is within 10m and free of obstacles. Keep the mobile phone close to the earbuds.
2. If the earbuds are connected to another mobile phone or device, please disconnect them first.
3. Try rebooting the Wireless device and resetting the earbuds.

Why do the earbuds produce no sound? Or, why does the music playing stop?

1. Ensure the charging cable and mobile phone charger are in good condition and properly connected.
2. Press the earbuds firmly to ensure they are fully connected to the charging points in the charging bin.
3. The earbud charging points may have dust or sweat. Clean them with alcohol or cloth before recharging.
4. Wipe any sweat from the earbuds before placing them in the charging bin; the indicator lights should illuminate.

Why do the earbuds turn off automatically?

Ensure sufficient battery level. The earbuds will automatically disconnect Wireless after 10 minutes of inactivity. Placing them back into the charging bin will restart them after recharging.

Why cannot I recharge the charging bin?

1. Ensure the charging cable and mobile phone charger are in good condition and properly connected.
2. Press the earbuds firmly to ensure they are fully connected to the charging points in the charging bin.
3. The earbud charging points may have dust or sweat. Clean them with alcohol or cloth before recharging.
4. Wipe any sweat from the earbuds before placing them in the charging bin; the indicator lights should illuminate.
5. When the "Low Battery" prompt appears, please recharge the earbuds. When the charging bin's LED display reaches "10", recharge the bin. Avoid fully draining the earbuds and charging bin, as this can shorten the lifespan of the built-in lithium battery.

Safety Precautions

To ensure the longevity of your earbuds, please adhere to the following:

1. Keep away from high temperatures, high humidity, and corrosive environments.
2. Avoid bumping, falling, bending, soaking, etc.
3. Do not disassemble the earbuds or charging bin.
4. Avoid prolonged overcharging, which can shorten service life.
5. Discontinue use if you experience any discomfort or pain.
6. Use only certified DC 5V-1A adapters from the manufacturer, under regulatory authority supervision. Repeated charging and discharging cycles will naturally degrade battery performance over time, which is normal for all rechargeable electronic products.

Packing Contents

• Earbuds * 1
• Charger * 1
• Type-C charging cable * 1
• User Manual * 1

FCC Warning

15.19 Labeling requirements: 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.

15.21 Information to user: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

15.105 Information to the user: 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.

FCC RF Radiation Exposure Statement:

1. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
2. This equipment complies with RF radiation exposure limits set forth for an uncontrolled environment.

This equipment should be installed and operated with a minimum distance of 5mm between the radiator and your body.