Rechargeable Children's Sonic Electric Toothbrush High-frequency Vibration IPX7 Waterproof Power Toothbrush 5 Modes Adjustable Smart Electric Toothbrush with 1 U-shape Detachable Brush Heads

【Rechargeable】Using USB charging technology, 【5 modes with different vibration frequencies】Massage:suitable for 2-6 years old child. Soft:suitable for 6 years old child.Clean:suitable for 7-9 years old child.Gum prot:suitable for 9-11 years old child.Deep:suitable for 11-14 years old child, 【Removable brush head and soft bristles】The brush head can be disassembled to avoid the breeding of bacteria. One brush head can be used for 3 months. Children should use different size brush head according to their growth, 【Suitablle frequency vibration】Motor vibrates 8000-23000 times per minute, effectively cleaning the mouth., 【Long use time】Charging for 2 hours can be used for 15 days