Bluetooth Headphones, TOTU Wireless Sports Earphones in Ear Earbuds W/Mic Noise Cancelling Secure Fit for Gym Running Workout (IPX5 Sweatproof, Stereo, 8 Hours Playtime) Latest technology [upgraded version]: with Bluetooth 4.1, the headphones ensure high-fidelity stereo sound and music. Invisible Nano-coating technology protect earbuds against sweat during running, jogging, biking and workouts. Up to 8 hours music playing for full battery charge. Super quick charge time with full charge light indication.The Headphone battery status will be automatically displayed on the iOS phone screen. With easy to use buttons ALLOWS skip/play/pause on your music tracks as well as all phone use without reaching your phone. Up to 30ft Bluetooth range in the open space and 10ft in the obstacles space. Can be connected with two devices simultaneously. Super quick pairing with Android, iOS and other Bluetooth devices. Enjoy the convenience of hands-free calling thanks to the integrated microphone and Bluetooth profile connectivity. Once your phone is paired, simply press the phone button on the earpiece to accept incoming calls then press again to terminate the call. Music playback will automatically resume once the call is completed. TOTU accessories with 12-month Manufacturer's warranty and 30 days no-questions-asked return policy.24/7 customer service.