Wybor Bluetooth Neckband headphone with FM Radio, TF Card Slot "Grip-Mini503" has a behind-the-head style, On-the-Ear design for comfortable and stable wearing. It is equipped with innovative music and call controls like play/pause, previous/next track, volume up and volume down. It is ideal for use at home, office and outdoors. It has a built-in rechargeable battery that can be charged through a USB port. The Wybor Grip Mini Headphone allows users to transfer calls between the headset and a Bluetooth-enabled mobile phone for hands-free calling.