Best Wireless Headphone For Laptop, Mobile Phone(Nbth03)

Brand Name: OEM Model Number: nbth03 Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Microphone Place of Origin: Guangdong China (Mainland) color: black acoustics: Stereo Call functions: yes Packaging & Delivery Packaging Detail: Standard Package Delivery Detail: 8-12days Specifications 1.Bluetooth 2.1 wireless transmission protocol 2.High SNR Bluetooth audio connection 3.Hidden Omni-directional Microphone High SNR Bluetooth Headset (Nbth03)     Bluetooth 2.1 wireless transmission protocolTransmission distance and range(10m, 360°)High SNR Bluetooth audio connectionNo wire, no transmitter, no software, no setup, it is easy and fast.Automatic Switch-over between calls and musicHidden Omni-directional Microphone Low power indicator Adjustable headband and folded Working duration:15h,charging duration:4hHeadset Spec.: frequency response:20-20KHz,SRN:85dB, working Voltage:3.7V,current:30mAMicrophone Spec.:100Hz~10kHz&SRN≥55dB&Sensitivity:-42dB