Otium Bluetooth Headphones, Wireless Headphones IPX7 Waterproof Earphones Sport Earbuds With Bluetooth 5.3 Chip 15 Hours Battery, Sound Isolation Mic Earbuds for Gym Running Outdoor Sports Workout

【High Fidelity Sound Headphones】Equipped with Bluetooth 5.3 chip, the wireless sport headphones can produce high quality stereo sound with deep rich bass and crystal treble. With sound isolation technology, which can reduce background noise. 【Wireless Bluetooth Connection Control】Up to 10 meters Bluetooth range in the open space and 3 meters in the obstacles space, the wireless bluetooth headphones can pair quickly with iOS, Android and other bluetooth devices, even can be connected with two devices. You can control to Play/Pause/Skip/Switch the music tracks by the buttons on the headset, instead of reaching the phone during sport. 【IPX-7 Waterproof Headphones】Built-in nano coating, the wireless earphones have IPX-7 waterproof rating that can 100% protect the headphones from sweat, splashing water and rain, suitable for running, hiking, yoga, exercises, gym, travelling and so on. You don't need to worry about the headphones being damaged in a humid environment. 【Ergonomic Design】The ear hooks of bluetooth sport earphones are designed to an appropriate size, making you feel comfortable to wear, which will never fall out during running. To ensure the good wearing experience, 4 pairs of regular ear tips in different sizes are provided for your custom fit. 【Long Battery Life Time】The new improved lithium polymer allows bluetooth sport headphones to play music for 12-16 hours and to stand-by for 250 hours with only 1.5 hours super quick charge time(type-C port) , full charger light indication is available. The sport headohones battery status will be automatically displayed on the iOS phone screen. (Attention: Please notice that the charging voltage must be not exceed 5.5V and the charing current must not exceed 3A)