Simply-designed headphone in a compact size; it actually boasts its amazing stereo acoustic effect! If you are looking for such a sort of powerful headset， this S530Intelligent 1-to-2 Stereo Acoustic Bluetooth V4.0 Headset must be a nice choice! Its remarkable 1-to-2 design makes this headset capable of linking two devices at the same time. It adopts high-tech Bluetooth function， allowing you to get access wide applications. Also， the headset features noise reduction， fast transmission and long standby time. You can answer calls， listen to music or play with voice chat etc by wearing the headset recommended here!                                    Features            High-tech product， small size， powerful functionsUnique 1-to-2 design， it can connect two devices at the same timeAdvanced technology in echo cancellation !#!amp!*! noise reduction ensures exceptional sound qualitySupport voice chatting， music listening and callsWith Bluetooth V4.0Experience less vibration but more fair-sounding melody of your musicComfortable in-ear design conforms to the requirements of human engineering and guarantees the best play and transmission of music or voiceApplicable to any cellphone with Bluetooth function                                                            Specifications            Model    S530    <br>Color    Black    <br>Bluetooth Version    V4.0    <br>Radio Frequency    2.402-2.480GHz    <br>Transmission Level    Class 2    <br>Work Range    10m    <br>Input    AC 110V-220V    <br>Output    DC 5V    <br>Charging Time    About 2 Hours    <br>Charging Voltage    3.7V    <br>Music Play Time    3 Hours    <br>Standby Time    120 Hours    <br>Talk Time    4 Hours    <br>Work Current    15mAh    <br>Wearing Style    In-ear， Invisible Patent Product    <br>Dimensions    (1.18 x 0.67 x 0.59)" / (3 x 1.7 x 1.5)cm (L x W x H)    <br>Weight    0.63oz / 18g    <br>                                                            Package Includes            1 x Bluetooth Headset1 x USB Cable1 x User Manual