Skque Wireless Sports Bluetooth Handsfree Stereo Headphones and Microphone with Music Control, U.S. Sports style, with wrap around design, let you do all your workout with your favorite music. Bluetooth 2.0, support Bluetooth A2DP, AVRCP, and HS/HF profiles Wirelessly enjoy stereo music from all Bluetooth enabled devices. Built-in Microphone, and lithium battery. Charged via USB cable, no adapter needed