• Model : T021/T022
• Dimensions : 28×28×246mm（including brush head）
• Mode : 5 modes
• Frequency : 31000-42000 VPM
• Battery : 800mAh Lithium-ion
• Charging Time : <12 hours/<4 hours
• Usage time on a full charge : around 30 days
• Power Supply : Inductive Charging/USB-C
• Waterproof Rating : IPX7
• Input : 5V/1A·Material : ABS，DuPont Bristles