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 dont need to worry this headset is sweat-proof. Wireless Bluetooth Earphones Headset Good noise isolation to create the optimal environment for listening to your favorite tunes, built-in microphone with noise cancellation for clear calling and friends chatting Simple to set up and operate. Sound great and cancel out 90% of back ground noise. Easily get as loud as you need this wireless headphones to be. Wireless Bluetooth 4. 1 Technology with A2DP stereo music and AptX pure, clear sound. HD quality comty,flexible and light. Sound with HD speaker and enhanced BASS effect. It features hands-free calling, have voice command for picking up/rejecting calls and control for music Bluetooth: V4. 1, the signal strength is nearly twice times than the general Bluetooth headset in the market, High-fidelity stereo music and clear speech. Very lightweight and portable, doesnt take to much space, very easy to store in your bag, great for travel. Sweat-proof, light weight and ergonomic design to enhance your comtort, comes with interchangeable earbuds and ear hooks for secure and personal fit when walking or exercising.  Bluetooth Headset - Wireless Bluetooth Earphones - Bluetooth Earbuds - Bluetooth Headphones