Comfortable & Noise Cancellation unique wearing style memory alloy flexible neckband. Easy to handle ear set with magnetic properties.</br>Compatible with most cellphones and devices with bluetooth enabled auto-reconnect.It can connected with two different Bluetooth Cell phones at the same time.</br>Stereo Bluetooth headset for wireless music plus call functionality.Unique around-the-neck design that's lightweight and comfortable for all-day use</br>Exceptional audio with noise suppression and echo cancellation</br>5 colors for you to choose: Black White Gold Pink Blue</br></br>Product Description</br></br>Bluetooth Function: Compatible with Advanced Bluetooth Version 4.0+EDR System Cellphone devices providing the Bluetooth Headset. <br> Amazing Sound: Deliver you powerful bass and high quality audio experience of stereo sound with Bluetooth technology. Perfect for use while enjoying your favorite sport. <br> Sports Designed: Featuring an unique neck-strap and Ultra light weight designed Specially for easy carrying for all day comfort. <br> Convenient Use: You can play?? skip and pause music?? control volume and pick up calls. Vibration alert on power on and coming calls?? and the battery level of these headsets will be displayed on your cellphone. <br> Unique Experience: These headphones also supports Easy Magnetic earpiece storage?? Noise reduction?? & Echo cancellation. <br> <br> <b>Specification:</b> <br> <br> B