Model: S230 Bluetooth version: Bluetooth V5.3 Color: Black Bluetooth operating frequency: 2.402GHz -2.480GHz Battery capacity: Battery -3.7V, 3600 mAh Full charge time: about 6 hours (charging the audio system with a 5V-1A charger) Music time: about 7 hours (50% volume with lights) Battery cycle life: charging and