Exquisite Double Mic Noise Cancellation Bluetooth Headphone

Specifications Exquisite Double Mic Noise Cancellation Bluetooth Headphone Support A2DP,AVRCP,headset,handfree profile BTprotocol:version 2.1 Exquisite Double Mic Noise Cancellation Bluetooth Earphone   Adopt the most advanced dual-Mic noise cancellation tech to stop any interference ,ensure all conversations can be free from obstruction.  Features:1). Support A2DP,AVRCP,headset,handfree profile2). Redial the last call ,Reject call.Volume adjustable.3). Faster connecting,clear sound,anti-interference.4). Listen to MP3 music from cellphone.5). Listen to stereo music from PC.6). On-line chat through BT wireless transmitter7). Faster connecting, clear sound, anti-interference Specification:1) BT protocol: version 2.12) Frequency: 2.4 GHz3) BT range: 10meters.4) Net weight: 10g5) Power supply:DC5.0V/120Ma6) Working volt: 3.7V7) Battery:  rechargeable Li-Ion  battery8) Talking time:up to 4 hours9) Standby time: up to 80 hours10) Chargeing time: about 2 hours.11) Color: black,grey,blue,pink Accessory:1).Charger(optional).2).USB Charging line.3).User guide.