Main features:
1. Bluetooth effective range up to 10m
2. Hands-free call with clear and loud voice
3. Bluetooth 4.0 sync
4. Output power 5W
5. Precise appearance with zinc alloy material
6. 3.7V 550mAh polymer battery
Technical parameters:
1. Output power: 5W
2. Charging Voltage: DC 5V, 1A/1.5A
3. Polymer battery: 3.7V, 550mAh
4. Working time: 3~4 hours
5. Charging time: 2~3 hours
6. Product size: φ78*36mm
7. Unit weight: 275 g
8. Working temperature: -10℃~45℃
9. Frequency response: 45Hz~20KHz
10. BT distance: 10M
10. Available color: black gray; golden
