Hot Sale Bluetooth Headphone Headset For Mp3,compurter,etc

Specifications bluetooth headset/headphone. with microphone. No wire,no software,no setup, it is easy and fast. High SNR Bluetooth audio. Bluetooth headset (headphone)                                                                                                      1:Bluetooth 2.1 wireless transmission protocol                                                                               2:Transmission distance up to 10m                                                                                                   3:High SNR Bluetooth audio connection                                                                                                 4:No wire,no transmitter,no software,no setup, it is easy and fast.5.Automatic switch-over between calls and music.Bluetooth version: V2.1+EDR     Frequency range:2402-2480 MHZ                                                            Modulation: GFSK                                                                                     Contact Terms Point-to-Point      RF output power: -6dBm--4dBm                                                             Sensitivity:80dBm                                                                               Operation range: 5-10 meters     Frequency response: 20Hz-20kHz                                                       Code: sub band code                                                                            Battery: 3.7V lithium-polymer battery 300mAh                                      Play time: about 8 hours Charging time: 1.5-2hrs.                                                                Microphone:Microphone size:6mmSensitivity:-52dbImpedance:≤2.2kΩFrequency response: 75HZ-16KHZSpeaker:Speaker diameter:3mmImpedance:32ΩSensitivity:110dbSpeaker Power:2x10Mw Frequency Response:20HZ—20KHZwindow blister+blister +paper cardInner packing: each in color boxColor box size:217×175×44mm40pcs per cartonCarton size:475×347×435mmN.W/G.W.:7.32/8.32 KGS