Unique protection, open-ear design technology to provide audio through the cheekbone, keeping you connected and aware of your surroundings all while protecting your hearing. These unique earbuds are wireless, with a Bluetooth connectivity of 5.0 compatible with your iOS and Android devices. 8 hours of playtime, up to 10 days on standby mode. USB-C quick charges in 2 and a half hours. Volume and power button touch controls (tap to answer calls). IP55 rated for waterproofing. NRR 25 decibels (noise control). Can be used outdoors or indoors during exercising. This is your true wireless open ear solution.