Feature：
1. There are retractable cable technology, After you finish your call, remove your cable with one push button push。
2. Bluetooth CSR 4.0 chip to to ensure high-fidelity sound quality and stable performance.Works with any Bluetooth enabled phone.
3. With vibrating alert function for incoming calls, it will not let you miss any important calls.
3. Multi-point connection, Pair two phones simultaneously, Enjoy the comfort of pairing two phones at the same time.There are the functional clip easy to use clip,carry your Earphone conveniently on your shirt.
4. Build-in rechargeable li-battery, can be charged via USB cable.Works with any Bluetooth enabled phone.

Detail:
Fuselage size: 47*26*25.8mm/1.85*1.02*1.02inch
Talk time: about 5 Hours
Music time: about 4 Hours
Standby time: about 80H
Charging time: 1H-2H
Transmission distance: 10m (20-30 ft)
Rechargeable Battery capacity: 80 MAH
Bluetooth version: V4.0 + EDR compatible
Wireless frequency: 2.402GHz-2.48GHz
Transmission power: Class 2
Working voltage: 3.7V
Working current: <25mA
Transmission Power: Class 2
The microphone sensitivity: [to 45 db (0 db = 1 v/Pa, 1 KHZ)]

Include:
1 x bluetooth headset (Without Retail Package)
1 x usb charging cable
1 x user manual