Features:

Single Track.
Portable behind-the-head wearing design, convenient for sports.
Allow you answer or reject phone calls anytime and anywhere.
Built in Microphone for Handsfree Cell Phone use or chatting on QQ, MSN.
Built-in lithium battery (charged via USB).

Note:
Compatible with most bluetooth enabled cellphones when used to answer or reject the phone calls but only compatible with Nokia devices when to listen to music!
Bluetooth adapter and VT BlueSoleil software are needed if you want to connect it to your computer for chatting on QQ, MSN.

Usage:
1, Turn on the device.
2, Long press Bluetooth Key until red and blue light flash alternately.
3, Turn on your bluetooth mobile phone, search nearby devices and then find the right one to do pairing.
4, When prompted, please input the default pairing password -0000.

Specifications:
Bluetoooth version:Version 2.0
Frequency: 2.4 - 2.48GHz
Support format: MP3 WMA
Talk time: Up to 4 Hours
Charge time: 2 hours
Power source: Built-in Li-ion Battery (USB Charging)
System requirement: Windows 98 or above
Material: PC
Item color:Blue
Item size: 15 * 13cm/ 5.9 * 5.1in
Item weight: 33g/ 1.2oz
Package size: 19.5 * 16.5 * 7cm/ 7.7 * 6.5 * 2.8in
Package weight: 85g/ 3oz