Earphone Belkin TWS SoundForm Bolt Wireless lavender Key Technical Specifications Audio Quality : Features 6mm dynamic drivers that supply the signature sound profile with clear highs and balanced bass. Battery Life : Offers up to 28 hours of total playback time . You get a strong 9 hours of continuous playtime from a single charge, plus an additional 19 hours packed into the charging case. Connectivity : Uses Bluetooth 5.2 technology for fast, stable device pairing and a working range of up to 10 meters (33 feet). Durability : Holds an IPX4 water-resistance rating , making them safe against sweat and light rain splashes. Charging Interface : The case charges via a standard USB Type-C port.