Britelink Bluetooth Stereo Headset With Microphone: Foldable Design For Portability, Back-hang Style Provides Best Comfort for Long Time Wearing. -- by CyberTech®
With Bluetooth wireless technology, this headset gives you the convenient wireless way to enjoy the streaming stereo music transmitted from the Bluetooth A2DP source device such as a mp3 player, PC or PDA in the available range.   Moreover, you can use it to remote control the music playing functions of your Bluetooth device if it supports Bluetooth AVRCP in addition.Switching between music and phone calls.  It also allows you answer or make calls with the Bluetooth enabled phone while you are listening to music.  After you ended the call, the music will follow to be streamed in a few seconds.Besides the wireless stereo and mobile hands-free application, you can apply this headset to Bluetooth enabled PC with the internet messenger such as Skype, MSN messenger or Yahoo messenger.Specification:-- Bluetooth Specification v2.1+EDR class 2-- The latest version of A2DP1.2 and AVRCP1.0 profiles support-- Supports Bluetooth Headset and Hands-free Profile(HFP 1.5)-- RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band-- Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm-- Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1%,-- 5 Button design: MFB, VOL+, VOL-, FWD, REV,--  LED Indicator Status: Blue, Red-- Rechargeable 400mAh Li-Polymer Battery-- Mini 5 Pin USB Plug charging Port-- Charger adapter Output: DC 5V&200mA--  Nominal charging time: Max 4 hours-- Talk time: Up to 20 hours-- Standby time: Up to 400 hours-- Dimensions (main body): 54(diameter) x 23(H)mm-- Weight: 71.2 grams-- Operating Temperature: -10 oC - 50oC-- Storage Temperature: -20 oC - 80oC