Bluetooth Headphones

Brand Name: (FLYING)OEM Model Number: 210BT Style: Headband Communication: Wireless Connectors: USB Use: Portable Media Player Function: Bluetooth,Noise Cancelling,bluetooth Place of Origin: Guangdong China (Mainland) COLOR: red,blue,yellow,etc shape: fashionable and popular distance: 10m Packaging & Delivery Packaging Detail: blister packing Delivery Detail: 10-15days Specifications Bluetooth 2.1 wireless Automatic Switch-over between calls and music No wire,no transmitter,no software,no setup to connect. Description:       Bluetooth headset                                                                                                       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                                                       * Codec: sub band code                                                                            * Battery: 3.7V lithium-polymer battery 300mAh                                      * Play time: about 8 hours* Charging time: 1.5-2hrs.                                                                Microphone:*Microphone size:6mm*Sensitivity:-52db*Impedance:≤2.2kΩ*Frequency response: 75HZ-16KHZSpeaker:*Speaker diameter:3mm*Impedance:32Ω*Sensitivity:110db*Speaker Power:2*10Mw *Frequency Response:20HZ—20KHZ