Main Features: ● Only 11g， extremely comfortable to wear.
● Elastic ear hook for sports， sweat resistance and not easy shed off.
● HiFi stereo sound and strong deep bass to provide a music world.
● 4 - 6 hours talking time， 180 hours standby time.
● Bluetooth V4.0， barrier-free linear transmission about 10m.
● Connecting two phones at the same time.
● Power display on iPhone.

Specification:
Impedance: 20 ohms
Frequency: 20Hz - 20KHz
Sensitivity: 104dB
Battery: Li-ion 55mAh Function: Bluetooth，HiFi，Multi connection function，Noise Cancelling Connectivity : Wireless
Application: Computer，For iPod，Mobile phone，Portable Media Player，Sport Package weight: 0.104 kg
Package size (L x W x H): 10.00 x 3.00 x 18.00 cm / 3.94 x 1.18 x 7.09 inches Package Contents: 1 x Earphones， 1 x USB Cable， 4 x Ear Tip