CSR 4.0 Sports Wireless Bluetooth Stereo Headphone  with mic For  IOS Android smartphone<br /><br />Features:<br />1.Stereo Bluetooth headset for wireless music plus call functionality<br />2.Unique around-the-neck design that's lightweight and comfortable for all-day use<br />3.Support connect two cell phones at the same time.<br />4.Vibration alert on call<br />5.Exceptional audio with noise suppression and echo cancellation<br />6.Magnetic ear buds snap into place when not in use; music controls on neck strap<br />7.High quality guaranteed <br /><br />   <br />Specifications:<br />Bluetooth Version:4.0+EDR<br />Type: Stereo<br />Dimension:167.3*135.6*16.9mm(L*W*T)<br />Weight: 32g<br />Talk time: up to 7 hours<br />Play time: up to 6 hours<br />Standby time: up to 300 hours<br />Charging time: less than 2.5hours<br />Button：Play/Pause， PREV/Next， Volume +/volume -.Play/Pause，Answer/Call<br />Voice prompts：YES<br />Shock reminder calls<br />Incoming voice reminder <br /><br />