This HV805 4.0+EDR Wireless Bluetooth Stereo Headset with Hands-free Calls Function is especially designed for outdoor sport such as jogging， riding， fitness exercise， etc. Made of superb plastic material， it is lightweight for long-time wear without pressure. Ergonomic and humanized design with sponge earmuff， it is comfortable to wear without damaging your ears. Besides， adopting advanced Bluetooth technology and EDR， it greatly enhances Bluetooth transmission speed and rate. Believe in it and it will definitely provide you with high fidelity tone quality and stereo sound effect. You deserve it!                                    Features             Extreme mini size， lightweight and compact<br> Support Bluetooth 4.0 version<br> With A2DP to support music play<br> Multipoint connection can connect 2 phones simultaneously <br> Siri smart voice control <br> Support apt-X Codec， high definition and high fidelity tone quality transmission<br> Low battery prompt， auto power off under low voltage<br> Three keys: POWER/PLAY-PAUSE， NEXT/V+， PRE/V-<br> Guaranteed quality， elegant appearance  <br>                                                            Specifications             Model     HV805    <br> Port     USB    <br> Bluetooth Version     4.0+EDR     <br> Weight     0.52oz / 15g    <br> Color     Silver White    <br> Dimensions     (23.22 x 1.37 x 0.51)" / (59 x 3.5 x 1.3) cm(L x W x H)    <br> Material     Plastic    <br> Battery Life     4hrs     <br>                                                             Package Includes            1 x Wireless Earphones<br>1 x USB Cable<br>4 x Earmuffs<br>