Instruction Manual for Headphones models including: BH10, 2A4R2-BH10, 2A4R2BH10, BH10 Wireless Headset, Wireless Headset

BH10 说明书 2021-12-14

User Manual

Dongguan Manha Power Technology Co., Ltd BH10 2A4R2-BH10 2A4R2BH10 bh10

Instruction manual

1Packing list
- BH10 Wireless headset - Audio cables - Charging cables - Product instructions
2Use environment requirements and
product parameters
- Product model: BH10 - Charging time: 2-3 hours - Charging voltage: 5V -Speaker impedance: 32 -Communication distance: 10 meters -Input: 5V 0.3A -Working temperature: 0°C45°C

3Operating instructions
1. Wireless Bluetooth connection
Press and hold the power button for 3-5 seconds, after the headset flashes red and blue lights alternately, turn on the phone's bluetooth,Search and find the device name "BH10" to connect. Set after successful connection The blue light flashes slowly.
2. Switch on and off
Press and hold the switch button for 3 seconds, the blue light flashes, that is The device will automatically pair and connect. Press and hold the power button for 3-5 seconds to shut down.

4Appearance buttons

 Short press to increase the

volume, long press for next song  Play/Pause , Answer/Hang up

 Short press to reduce the volume,

long press for Previous song

 Type-C charge port


 Type-C charge port

 AUX audio port

 Bluetooth indicator

 Mic port

 Long press turn on or turn off ,

Short press turn on logo light or turn off logo light

1. Charging

Use the complimentary charging cable or TYPE-C charging cable to connect to the device. Charging process

the red light of the middle indicator light is always on, and the

indicator light is off when the battery is fully charged.


2. Wired mode
To use the wired mode, turn off the Bluetooth mode and perform shutdown operations. Plug in and deliver the 3.5mm audio cable is ready for use. (The headset button and microphone cannot be used in this state.)

3. Buttons Description

Button name Power Button Power Button Power Button Play Button Play Button Play Button V+ key V-key V+ key V-key


The Effect

In view of the equipment

Press and hold for 3-5 seconds
Press and hold for 3-5 seconds
Short press 1 time

Turn on
Turn off Turn on logo light or turn off logo light

This Machine This Machine This Machine

Short press (when music is playing)


Mobile phone

Short press (when a call comes in)

Answer/hang up

Mobile phone

Long press for 3 seconds (when a call comes in)

Reject the phone

Mobile phone

Short press (when music is playing)

Volume increase

Mobile phone

Short press (when music is playing)

Volume down

Mobile phone

Long press (when music is playing)
Long press (when music is playing)

Next song Previous song

Mobile phone Mobile phone

5Common problems
1. The device cannot be found The phone cannot search for the device, try to turn off the headset and then turn it on again, And Also try to turn off the bluetooth of the mobile phone and then turn it on again.The dental equipment is cleared, and the search and pairing is performed again.
2. The device is connected but there is no sound Adjust the volume of the headset , check if the volume on the headset is adjusted to the lowest.
3. There is no sound from the headset when the audio cable is plugged in
Plug the audio cable back into the headset and mobile phone.

FCC Caution 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.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
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.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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