VISTATECH NV-08157 Wireless Bone Conduction Headphone Instruction Manual

VISTATECH NV-08157 Wireless Bone Conduction Headphone

PRODUCT INFORMATION

Product name: VISTATECH NV-08157 Wireless Bone Conduction Headphone

PRODUCT OVERVIEW

Function buttons

1. Power on : Press and hold the middle button for 3 seconds
2. Switching off: Press and hold the middle button for 5 seconds
3. Volume plus: long press + button
4. Volume down: Press and hold the – button
5. Previous song : Short press – key
6. Next song : short press of the + key
7. Playback : short press on the on button
8. Pause : short press on the on button
9. Answering : short press on the on button
10. Refuse t o listen : Press and hold the On button for 3 seconds
11. Hangup : short press on the on button
12. Last number redial : double click on the power on button
13. Phone volume synchronization display : IOS
14. Phone power synchronization display : Android/Os

Pairing

1. Turn on the earphones.
2. Pairing with BT-enabled devices:
   Open the phone or other device BT mode, search for the Wireless name “NV-08157”, and click to connect to BT mode.

LED light status

1. Low voltage indication: red light flashes slowly
2. Charging status: red light always on
3. Fully charged state: blue light always on

Safety matters and requirements
Due to the small capacity lithium battery used in the Wireless headset, it cannot be charged with super 1A power Fast charging devices. Charging must be done with a regular manufacturer’s charging device. The Wireless headset must be charged using a regular manufacturer’s charging device or a computer USB port charging device and in accordance with the following 500-1000 mA.

Charging time: Approx. 1 hour, subject to blue light

Note : Failure to strictly follow this guideline for charging may damage the Wireless headsets, which in extreme cases can cause an explosion and also render the product performance of the product. When playing music please turn the music to the appropriate volume level to avoid The hearing is affected by prolonged exposure to loud music.

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 the receiver.
• Connect the equipment to 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 requirements. The device can be used in portable exposure conditions without restriction.

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