This product is a set of lean the surface and interior of teeth . Lightweight suitable for home and travel use. A good gift to your family and friends. Features - Material: Silicone, ABS. - Size: Approx. 10.70X6.20X3.10cm/4.21X2.44X1.22in. silicone and ABS material, durable and practical for long-lasting use. - The U-shaped brush head can effectively clean up the dirt on the tooth surface, between the teeth and the gingival sulcus, and can also massage the gums. - It can effectively prevent dental caries and remove dental plaque, making your teeth white. - There are three modes of sonic vibration, which can be freely selected according to your needs. - With brush head to effectively protect gums, reduce damage and make the brushing process safer and more effective. Specification - Battery Capacity: 200mA. - Charging Time: 90 minutes. - Rated Power: lt;5W. - Rated Voltage: 3.2-3.7V. - Life Time: 10 days. - Acoustic Frequency: 6000RPM.