... ).Replaceable brush head; 3).Rechargeble. DES31 Rechargeable electric toothbrush with uv sanitizer for adult:1,31,000~40,000 powerful sonic strokes per minute ;2,Advanced electronic ... massage) with LED indicator;6, Inductive rechargeable function;7,Extra long usage time;8,IPX7 waterproof design.UV sanitizer:1,Utilizes germicidal UV bulb ...