Main Features: ● Bluetooth V4.0 quickly pairing， the transmission range up to 10m.
● Waterproof and sweat resistance， design for sport.
● CVC 6.0 noise reduction technology， effectively isolated from outside sound.
● HiFi stereo sound and strong deep bass to provide a music world.
● 75mAh Li-ion battery， 3 - 6 hours playing time.
● Only 18g， lightweight and comfortable to wear.

Specification:
Charging voltage: 5V
Charging time: 2h
Standby time: 240h
Impedance: 32 ohm 0.098 Package weight: 0.126 kg
Package Size(L x W x H): 8.00 x 3.50 x 13.90 cm / 3.15 x 1.38 x 5.47 inches Package Contents: 1 x Earphone， 4 x Earbud， 1 x Clip， 1 x USB Cable， 1 x Chinese and English User Manual