YYK-520 Wireless Business Headset

Product Photo

The YYK-520 is a wireless business headset. Key components include the MFB (Multi-Function Button), Switch, Volume +/-, Ear Cap, Charging Point, and Battery Level Indicator on the charging bin.

Wireless Pairing

To pair the headset:

1. Ensure the headset is off. Press and hold the multifunction key (MFB) for approximately 3 seconds until the blue light flashes once, then the red and blue lights flash alternately, indicating pairing mode.
2. On your mobile phone or other wireless device, enable the Wireless function and search for nearby devices.
3. Select "YYK-520" from the list of found devices. If prompted, enter the password "0000" (though most devices do not require a password).
4. Once pairing is successful, the headset indicator light will turn off. You can now make calls and listen to music.

Pairing with PC/Laptop:

1. On your computer, go to Settings > Devices > Wireless & other devices.
2. Initiate Wireless pairing and add a new Wireless device.
3. Search for "YYK-520" and pair/connect.
4. Note: If your computer lacks Wireless functionality, insert a Wireless adapter and install the necessary driver.

Pairing with Echo (Alexa):

1. Open the Alexa App.
2. Go to Settings > Add New Devices > Wireless > Pairing New Devices.
3. Search for devices, select "YYK-520", and pair/connect.

Operating Instructions

Power On/Off:

• Automatic: Remove earbuds from the charging bin to turn on automatically. Place earbuds back into the charging bin to turn off and recharge automatically.
• Manual: Press and hold the MFB button to turn on/off.

Music Control:

• Play/Pause: Click the MFB button.
• Next Song: Long press the Volume + button for 1 second.
• Previous Song: Long press the Volume - button for 1 second.
• Volume Up: Click the Volume + button.
• Volume Down: Click the Volume - button.

Call Control:

• Answer/Hang Up Call: Click the MFB button.
• Refuse Call: Double-click the MFB button.
• Cancel Call (during call): Click the MFB button.
• Third-Party Call Handover: Click the MFB button.
• Microphone Mute/Unmute: Long press the MFB button until a beep is heard.
• End Current Call and Switch to Third-Party Call: Double-click the MFB button.
• Continue Current Call and End Third-Party Call: Triple-click the MFB button.

Voice Assistant (Siri/Google Assistant):

• Activate: Long press the MFB button for 1 second.
• Deactivate: Click the MFB button.

How to Reset

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

Recharging Instructions

Recharging Earbuds: Place the earbuds in the charging bin. The headset indicator light will turn red while charging and turn off when fully charged.

Recharging Charging Bin: Use a mobile phone adapter or a Type-C cable connected to a computer or other charger. The digital display on the charging bin shows the recharging progress, with 100% indicating a full charge.

Product Specifications

Waterproof Specification

Suitable for daily activities such as sweating, raining, and face-washing. Not suitable for swimming or diving as Wireless signals cannot transmit underwater.

Mobile Phone Transmission Range

The transmission distance is typically up to 10m. Signal transmission is normal within this range but may be interrupted beyond it.

Troubleshooting

Why cannot I detect Wireless?

• Ensure the Wireless range is within 10m and free of obstacles. Keep the mobile phone close to the earbuds.
• Disconnect from other devices if already paired.
• Reboot the Wireless device and reset the earbuds.

Why Wireless pairing failure?

• Ensure the Wireless range is within 10m and free of obstacles. Keep the mobile phone close to the earbuds.
• Disconnect from other devices if already paired.
• Reboot the Wireless device and reset the earbuds.

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

• Ensure the charging cable and mobile phone charger are in good condition and properly connected.
• Ensure the earbuds are properly connected to the charging points in the charging bin.
• Clean the earbud charging points with alcohol or cloth if stained with dust or sweat.
• Wipe sweat from earbuds before placing them in the charging bin.

Why do the earbuds turn off automatically?

• Ensure sufficient battery level.
• Earbuds automatically disconnect Wireless after 10 minutes of inactivity. Place them back in the charging bin to restart.

Why cannot I recharge the charging bin?

• Ensure the charging cable and mobile phone charger are in good condition and properly connected.
• Ensure the earbuds are properly connected to the charging points in the charging bin.
• Clean the earbud charging points with alcohol or cloth if stained with dust or sweat.
• Wipe sweat from earbuds before placing them in the charging bin.
• Recharge when the "Battery Low" prompt appears. Recharge the charging bin when the LED display shows "10". Avoid fully depleting the battery of earbuds and charging bin to prolong battery life.

Safety Precautions

• Keep away from high temperature, high humidity, and corrosive environments.
• Avoid bumping, falling, bending, or soaking.
• Do not disassemble the earbuds or charging bin.
• Do not overcharge for extended periods.
• Stop using if discomfort or pain occurs.
• Use certified DC 5V-1A adapters.
• Repeated charging and discharging will naturally reduce battery performance over time.

Packing Contents

• Earbuds * 1
• Charger * 1
• Type-C charging cable * 1
• Earbuds cap * 2
• 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.