Bluetooth Headphones, Infinilla H3 Wireless Sport Earbuds, Guaranteed Secure Fit Over Ear Running Headset, Sweatproof, Noise Cancelling Gym Workout Earphones with Mic (Blue) SECURE FIT and SWEATPROOF: With Ergonomic design and improved silicone ear hooks, Infinilla Bluetooth Headphones are snug and stable behind your ears. Guaranteed firm grip is perfect for Running, Jogging, Biking, Gym, Yoga and other indoor & outdoor sports. You wouldn't need to adjust it every few minutes. Comes with 3 alternative lightweight and smooth silicone gel ear tips to fit different ear sizes. SUPERIOR Hi-FIDELITY SOUND and NOISE REDUCTION: Featuring advanced CSR Bluetooth 4.1 with APTX support, Infinilla in-ear design Earbuds provide you unparalleled sound quality with powerful bass and crystal clear treble. CVC 6.0 Noise Reduction Technology intelligently filters ambient noise while you are enjoying your favorite music. EASY ACCESS: 33ft (10 meters) working distance in open space with built-in mic, no need to stop working out to answer calls. The simple user interface right on the earphones allows you to adjust the volume, play/pause, select songs and answer/hang up calls effortlessly. BLUETOOTH 4.1 and UNIVERSAL CONNECTIVITY: Latest Wireless Bluetooth V4.1 and EDR technology are compatible with any Bluetooth enabled device, including iPhone and Android Smartphones, Tablets, iPad, Windows Phones, Computers and more. LONGEST PLAY TIME: Polymer 80mAh battery in the Bluetooth Headphones can deliver up to 5 hours of play time on a full charge. Voice prompt allows notification of incoming calls and phone number for hand-free conversation so that you never miss a phone call without reaching your phone.