Æ?IPX8 SWEATPROOF EARPHONESÆ??: OVEVO IPX8 Water-resistant Nano-coating efficiently protects sport headphones from sweat and ensure more guaranteed life span, perfect for running, jogging, hiking, yoga, exercises, gym, fitness, travelling and etc. Everyday with OVEVO is like a valentine's day! Æ?HIGH QUALITY SOUNDÆ??:9 mm titanium diaphragm speaker unit,make each earbud contains a premium audio driver delivering powerful highs, crystal clear mids and powerful bass. Æ?BLUETOOTH V4.2 WIRELESS TECHNOLOGY WITH CVC 6.0 NOISE SUPPRESSION TECHNOLOGYÆ??: Connect seamlessly with all Bluetooth enabled devices up to 33 feet away. With Noise Suppression technology focus on your favorite music and answer calls without skips or missed words. Æ?1.5-HOUR QUICK CHARGE FOR 8 HOURS PLAYINGÆ??: Improved lithium polymer battery brings up to 8 hours pleasure musically and socially with a quick charge of only 1.5 hours. Æ?BUILT-IN 8GB MP3 PLAYER WITH BLUETOOTHÆ??:The Waterproof sports headphones has 8GB of built-in memory to be able to upload 1500 music. In running, gym training, water sports, bathing, it is not convenient to carry a mobile phone, use a waterproof MP3 player, you can still hear beautiful songs.