Features: brand new and high quality Five brushing modes, three strengths. Each level can be adjusted to the most suitable power and mode at any for time. High-density 3D rounded bristles are used, which are elastic and do not hurt teeth. It adopts portable power supply, AA dry battery, replaceable battery life. It can be used for up to 180 days on a single charge. No need to worry about battery power when traveling on business. The magnetic levitation acoustic wave technology forms a strong and flowing cleaning power, which can easily clean dental plaque stones. Specifications: Material: ABS Weight: 87g Size: 24x3cm/9.45x1.18cm Color: Green/Pink/White Voltage: for DC 3.7V Power: 2W Endurance: 180 days Charging Method: AA Battery Waterproof Rating: IPX7 Waterproof Vibration Frequency: 19800 times/min Package Includes: 1x Electric Toothbrush 3x Brush Heads 1x Charger 1x Manual note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.