Product Overview
1. Stereo call, clear and clean sound quality 
2. Dual main earphones, anti-interference, stable connection 
3. Touch operation, simple and convenient 
4. Smart touch, just click the multi-function button 
5. Small size, easy to carry 
Specifications: 
1. Bluetooth version: V5.0 
2. Battery capacity: 300mAh/25mAh 
3. Charging voltage: DC 5V 
4. Speaker: 32 ohms 
5. Transmission distance: 10m 
6. Frequency response: 100Hz-20KHz 
7. Output power: 10mW 
8. Signal to noise ratio: 90dB 
9. Working voltage: 3.7V 
10. Talk time: about 2.5H 
11. Music playback: about 2.5H 
12. Standby time: about 30 days 
13. Charging time: about 1h 
14. Charging port: Micro USB