This bluetooth headset, You can listening to music and other audio when doing exercise! compatible Bluetooth 4.0, you can connect the headset easily. Built-in magnet switch, when the magnet is separated/attracted, intelligently predicts your needs, without any key operation If you connect an iPhone, you can display the remaining power of the Bluetooth headset on the iOS system so that you can charge it. This Bluetooth Sports Stereo Headset is Very light Weight, Sweat-proof & Noise-reduction. You can connect two headphones together when it not be used and can be worn like a necklace on your neck, which is a convenient way of carrying. Any athlete knows that a single,. Sweatproof design free from worry of sweat damage while running.well-placed sweat can damage other headphones.You don't need to worry this headset is sweat-proof.