Philips Electric Toothbrush Sonicare 3100 Series HX3671/33

. [Please check before ordering] In accordance with Amazon's return and exchange policy, electric toothbrushes and oral irrigators cannot be returned or exchanged due to customer convenience. Please be careful not to make any mistakes in your order. Please contact the manufacturer for product details such as specifications, functions, and usage. Rechargeable battery: Rechargeable Rechargeable battery type: Lithium ion rechargeable battery Contents: 1 handle 3100 series, 1 brush head White Plus (regular), 1 charger Performance: Approximately 31,000 brush strokes/min Compatible voltage: DC5V (USB Type A) Timer: Kadopacer and smart timer ●Sonicare's slim simple basic function model ●Uses sonic water flow technology and overpressure prevention function to gently brush and remove plaque ●Product size: Actual item approx. 2.5 x 2.6 x 23.8cm, body weight = approx. 97g ●Product material: ABS resin ●Product contents Power source = DC5V (USB Type A) USB rechargeable, charged for 24 hours, can be used for about 2 weeks by brushing for about 2 minutes twice a day.Easy start function, smart timer function, quadpacer function