HOCO&reg; Sport Bluetooth Earphone Aluminum Headphone Sweat Proof With MIC and Volume Control Bluetooth 4.0 With A2DP, AVRCP, high quality stereo sound frequency transmission and long-distance control protocol Ideal for Sports / Running / Gym / Exercise ] with High-fidelity Stereo Sound via apt-X for iPhone 6 6plus 5S 4S Galaxy S6 S5 and iOS android Smartphones Highest Quality Aluminum Design. With Mic built in and Volume Control. 200 hours Stand by Time Sweat and water resistance. Magnetic head for clasping cord together when not in use.