"Features:

Up to 10 hours play time
Up to 10 hours talk time
Up to 360 hours standby time
Less than 2.5 hours changing time
Unique neck-strap design for easy carrying
Ultra light weight for all day comfort
Vibration Alert on call
Easy magnetic earphone storage
Noise reduction Echo cancellation

Specification:

Changing voltage: MICRO USB 5V
Working current: 25-30 mA
Output power: 2x20mW
Blue tooth working range: 10M
Frequency range: 2.401-2.480GHz
Frequency response:20HZ-20KHZ
SNR : S/N?95
Distortion factor: ? 1%
Bluetooth Version: 2.1+EDR
Weight: 32g
Dimensions: 167.3mm(L) x 135.6mm(W)x 16.9mm(T)

Compatible Model:
Compatible with Bluetooth 1.1/1.2/2.0/2.1 and above, devices providing the providing the Bluetooth Headset(HSP)
and Handsfree(HFP) Profiles. Enjoy wireless freedom and use this device with Bluetooth phone.Include : Smartphone/Pad/MP3 MP4 IPOD
Package Includes :
1 XWireless Bluetooth HandFree Sport Stereo Headset headphone (no retail box)
1 X Micro USB Cable
"