Features :-【4000 6000 High Vibration Toothbrush】With gentle and advanced sonic technology, the toothbrushs provide 42000 high-speed vibrations per minute, effectively removes stains and protects your teeth and gums. W-shape bristle suits teeth topography, reaches to the deep area and has a deep cleaning. It is a perfert partner for adults and teenegers.-【4 Brushing Modes and IPX7 Waterproof】Electric toothbrushes support 3 Brushing modes: M/N/S/X to suit different conditions of teeth and gums and meet your varied oral needs. Ergonomic handle design and IPX7 washable, can be used in shower and bathing. Low noise control, one button use and change the mode. 2 brush heads total included.-【Longer Working Time】The toothbrushes could last for 60 DAYS with 2 times a day after only 3 hours full charging which makes it fantastic for use at home and on travel.-【2 Minutes Smart Timer】 Every 30 seconds will remind you to change to the next new zone during brushing. It will stop working after 2 minutes and remind you finihsed for healthy brushing. This aims to reminding you that this part has achieved its best cleaning effect. - Specifications :BrandLoskiiModelS4Waterproof grade - IP7Input voltage5VOutput voltage3.7VBattery capacity1200m - AWorking mode(Fourth gear) M / N / S / XVibration frequency4000-6000Charging time4 hours - Package Included :1 x Electric Toothbrush2 x Brush Head1 x Charging Wire1 x User Manual