SOAIY Waterproof Sweatproof Sports Wireless Bluetooth 4.0 HD Stereo Headphones, in Ear Earphones Noise Canceling Headset with Mic, Earbuds for Running Jogging Hiking Workout Gym and Exercise (Red) Waterproof (IPX5) and Sweat-proof, you can take it for a good workout, the headset will remain stable as you sweat it out Lightweight, comfortable and secure design fits perfectly to your ear, stay in place even when you are running, jogging or exercising Latest Bluetooth 4.0 technology provides high-fidelity stereo music and clear speech within 33ft, easy and fast pairing with 2 Bluetooth enable devices simultaneously and free switch, never miss a phone when enjoying music Built-in HD microphone and adopt the most advanced Bluetooth CVC6.0 noise cancellation, makes you enjoy a clear sound even through you are in a noisy environment Built-in rechargeable battery, super endurance and last long enough for a full workout, up to 5 hours music time, 6 hours talking time and 160 hours standby time with a single charge, 2 hours charging time