Bluetooth Headphones,Foldable Stereo Wireless Bluetooth Headphones Over Ear with Microphone and Volume Control, Wireless and Wired Headset for PC/Cell Phones/TV/Ipad

Specification \nDriver diameter: 50mm \nImpedance: 32? \nSensitivity: 107dB 3dB \nFrequency range:2.4-2.4835G(Hz) \nPower rating:30MW \nMic sensitivity: -58dB 3dB \nMic frequency range: 30MHMHz-16KHz \nPlay time:About 4 hours \nStandby:?100 hours \nCharging time:About 2-3 hours \nCharging Current:350mA \nCompatibility:Cellular phone, Bluetooth device; support remote control of play/pause, previous/next track, volume up and volume down \n\n\nPacking list: \n1* Wireless Headphone \n1* Audio Cable with Mic and volume control \n1* USB Cable \n1* Manual Warranty Card