Philips Sonicare 3100 Series electric toothbrush. Used for approximately 3 months and then stored at home. Operation has been confirmed and it can be used without any problems. The only concern is some yellowing on the power button, but otherwise, there are no noticeable scratches. [Set Contents] ・Main unit (HX3671/23) ・Charger ・Instruction manual [Condition] ・Used for approximately 3 months, then stored at home ・Operation of both the main unit and charger has been confirmed, no problems ・Yellowing present (on the power button) ※Please check the images [Functions] ・Sonic vibrations gently remove plaque and dirt ・Pressure sensor for gentle brushing ・Smart timer function (automatic brushing time stop) ・QuadPacer function (beeping sound at time intervals) ・USB charging (AC adapter not included) [Purchase Date] April 2022, purchased from Amazon [Reference Price] Currently, a new model of the same type is sold on Amazon for 8,580 yen (tax included). [Notes] ・Box and replacement brush heads are not included ・Please purchase only if you understand that this is a used item ※Photos taken with iPhone 15, no editing