Featuring a wrap-around design， the S9 Wireless Bluetooth V3.0 Headset In-ear Earphones with Microphone fits comfortably around the back of your head and sits gently on the base of your neck. It uses wireless Bluetooth V3.0 connection to stream audio from smartphone. With inbuilt microphone， it supports music play as well as receiving phone call. Moreover， its ergonomic design allows you to wear it during sports without accidental slip or feeling painful. And it supports connection to two devices at one time. Click and order now! It surely is worth your investment!                                    Features            Crafted from lightweight PVC and soft siliconeWrap-around design， fit comfortably around the back of your headUse wireless Bluetooth V3.0 connection to stream audio from smartphoneSupport music play as well as answering phone callInbuilt microphone is sensitive enough to pick up voice clearlyErgonomic design allows you to wear it during sports without accidental slip or feeling painfulSupport connection to two devices at one time                                                            Specifications            Model    S9    <br>Color    Green    <br>Wearing Type    In-Ear    <br>Connectivity    Wireless    <br>Connecting Interface    Micro USB    <br>Power Supply    Built-in Rechargeable Battery    <br>Working Time    4 Hours    <br>Standby Time    100 Hours    <br>Bluetooth Version    V3.0    <br>Bluetooth Mode    Hands Free， Headset    <br>Dimensions    (5.91 x 4.72 x 1.97)" / (15 x 12 x 5)cm (L x W x H)    <br>Weight    1.31oz / 37g    <br>                                                            Package Includes            1 x Bluetooth Earphones1 x USB Cable