Main Features:
- Bluetooth V4.0， compatible with most devices and high speed connection
- Wireless connection， stereo HiFi earphones， suit for outdoor sports
- CVC noise reduction technology， isolated from the world and ensure clear calls
- Sweat and water proof

Specification:
Bluetooth: V4.0
Transmission range: 10m
Battery: 70mAh
Working time: 6h
Charging time: 1h
Impedance: 32 ohm 0.101 Package weight: 0.129 kg
Package Size(L x W x H): 15.00 x 17.00 x 4.10 cm / 5.91 x 6.69 x 1.61 inches Package Contents: 1 x Earphones， 1 x USB Cable， 1 x English User Manual