... head; 3)Rechargeble. DES31 Rechargeable electric toothbrush with uv sanitizer for adult:Toothbrush handle: 1,31,000~40,000 powerful sonic strokes per minute ;2, ... normal, sensitive, and massage) with LED indicator;6, Inductive rechargeable function;7,Extra long usage time;8,IPX7 waterproof design ... .UV sanitizer: 1,Utilizes germicidal UV bulb to kill over 99.9% ...