Model No.: 3020
Product size: 21.5*21.5*236mm
Material: Aluminium alloy + Dupont nylon
4 Brush modes: clean,soft,white,polish
Vibration freqency: 31,000~38,000times/min
Battery: Lithium Battery : 800mAH
Charging time: About 2~3 hours
Using time: about 30 days
IPX7 Waterproof level
Noise level: ≤ 60db