Main Features:
- Bluetooth V4.1, 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 ensures clear calls
- Sweat proof function

Specification:
Bluetooth: V4.1 + EDR
Transmission range: 10m
Battery: 150mAh Li-ion battery
Working time: 6h
Charging time: 2h
Impedance: 32 ohm 0.109 Package weight: 0.138 kg
Package Size(L x W x H): 13.00 x 11.50 x 3.50 cm / 5.12 x 4.53 x 1.38 inches Package Contents: 1 x Earphones, 1 x USB Cable, 4 x Earbud, 2 x Ear Hook, 1 x English User Manual