Features IPX5 waterproof Chip: BP1048B Material: ABS Bluetooth version: V5.0 Charging time: 4 Hours Support: BT,TF,AUX,USB hands-free calls Rated power: 8W*2 Peak power: 10W*2 Battery: 3.7V/4500mAh Play time: 8-10H（Medium volume) Wireless working range: 10M (without obstacles Input voltage: DC5V/1A Charging method: Type-C Product size: 250*143.5*114mm