Wireless sport earbuds with high quality bluetooth 4.1 connection for easy connection and perfect sound quality. The ABS casing is sweat proof so optimized for sports. The ergonomic design guarantees perfect fit during your activities. The earbud has a volume up/down button, next/previous song button and a mic to answer calls. Operating distance up to 10 meters. Play time up to 4 hours on one charge and standby time of 120 hours.