New Black Syllable Wireless G08 Bluetooth Stereo Headset with Wireless Microphone for Iphone Skype Heaset Wireless Microphones Standard: Bluetooth V2.1+EDR Music 100% close to sound with cable CD Super High Fidelity-HiFi Adopt rechargeable lithium battery, which is environment friendly, straight plug. Standby time 180hours, continuous working 8 hours Adopt the most fashionable appearance structure