Features:
1. Powered by the included micro USB port.
2. Ergonomic design, easy to wear, close to the ears.
3. Both parties can answer the voice and adjust the volume separately.
4. Noise reduction and echo cancellation technology ensure clear sound quality.
5. Improve traditional hearing aids to be more comfortable and healthy. The best gift for hearing difficulties.

Specifications:
Frequency range: 20~20kHz
Microphone sensitivity: -54±2dB
Working time: 12 hours
Standby time: 180 days
Charging time: 3 hours
Input: DC 5V, Max500mA
Weight: 354g
Battery: Lithium-ion battery capacity 3.7V 350mAh
Package Size: Approx. 20*16*5cm/7.87*6.3*1.97in

Package List:
1 * Bone Conduction Headphones
1 * Micro-USB Cable
1 * Audio Cable
1 * User Manual

Note:
Do not use it on rainy/stormy days.
When using for the first time, fully charge the bone conduction headphones.
Support for simultaneous use and charging of headphones, LED lights remain red.
The standard charging time is 3 hours. Please do not charge within 24 hours. Otherwise it will affect battery life.