OkaeYa Wireless Bluetooth 4.1 Magnetic Sports Stereo Headset Its Very light Weight, Sweat-proof & Noise-reduction. Built-in magnet switch, when the magnet is separated/attracted, intelligently predicts your needs, without any key operation. Sports bluetooth headset, with HD music playing, listening to music and other audio when doing exercise! compatible Bluetooth 4.1, you can connect the headset easily with the phone. Built-in microphone with noise reduction, intellegently recognize noise and sound, clear talk experience. convenient for answering a call when taking exercises or another activity. Sweat-protected materials Durable and thoughtful design protect the internal components from moisture and the accumulation of sweat. It has a sweatproof design and with wireless audio range of 33 ft, you can roam around the house with uncompromised sound quality. Before you start using the headset, please use the USB charge cable to charge it first. It can connect with two bluetooth devices at the same time. Comfortable when exercising, running, climbing, driving, skating,camping, fishing and other outdoor sports. With wireless audio range of 33 ft. The noise isolating in-ear design enables you to listen at safer volumes while improving audio quality and keeping the tunes to yourself # 1 year Replacement warranty on manufacture Defect # This is Febto Branded Product which is compatible to all smartphone.