AXGIO Youth Bluetooth Headphones, Stereo Wireless V4.1 In-Ear Sweatproof Sports Earbuds with Noise Cancellation Bass and HD Mic for iPhone 7 Plus and Android Phones PREMIUM SOUND QUALITY: Built-in latest Bluetooth V4.1+EDR and AptX technology, providing a crystal clear sound with exceptional bass, which inspires the motivation in your gym workouts. SECURITY FIT & COMFORT: Ergonomic design with different sizes of ear tips and flexible ear hooks, that can stay firm in place and not fall out while doing sports. LONG WORKING TIME: Up to 8 hours of continuous talking or 8 hours of music playing, keeps you connected socially and musically, or up to 160 hours long stand-by time. SWEATPROOF: IPX4 waterproof, sweat it out in the gym or run in the rain. The water resistant shell provides a double layer of water protection. BROAD COMPATIBILITY: Easy and fast pairing with smartphones, like iPhone 7 6S 6 6 plus SE 5 5S, iPad, Samsung Galaxy S7 S6 S5 Note 5 4 3, LG G5 G4, and other Bluetooth enabled devices.