Double Mic Noise Cancellation Bluetooth Earphone

BH-M22 Head Wearing Stereo Bluetooth HeadsetBH-V8 Noise Cancellation Bluetooth headsetBH-M10b Head Wearing Bluetooth Headset Multipoint connectionsBH-M11 2 in 1 Computer Bluetooth HeadphoneMini Multi-Function Speaker for iPhone/iPodBH-M12 Recordable Bluetooth Headset Two Link BTC-006 Bluetooth Handsfree Car Kits With LCDBH-V10 Crystal Bluetooth HeadsetBH-V1 Mini Stereo Bluetooth HeadsetBH-M20 Head Wearing Stereo Bluetooth Headset With Micphone 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 profile 2). 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 throughBT wireless transmitter 7). Faster connecting, clear sound, anti-interference Specification: 1)BT protocol: version 2.1 2) Frequency: 2.4 GHz 3)BT range: 10meters. 4) Net weight: 10g 5) Power supply:DC5.1V/120Ma 6) Working volt: 3.7V 7) Battery: rechargeable Li-Ionbattery 8) Talking time:up to4 hours 9) Standby time: up to80 hours 10) Chargeing time: about2 hours. 11) Color: black,grey,blue,pink Accessory: 1).Charger(optional). 2).USB Charging line. 3).User guide.