- DuPont effective bristle - 40,000VPM top-notch frequency - Power & Mode 2-in-1 Button - 4 extraordinary clean modes - 750mAh built-in battery - Easy-to-flip Type-C charging port cover - TREND COLORS,Visual upgrade for near future market,Choose T2411 and boost your brand with colors of moxie and vitality - TYPE-C charging,Reversible and convenient Type-C port delivers a full charging within 6 hours. World trending charging port with dustproof cover. - LOW POWER REMIND,Customer-friendly circuit design. T2411 reminds user lower power level with full set of charging circuit protection - 65dB Low working noise - NEAT DESIGN,Eyesight-friendly colors and neat-but-not-simple appearance. It is designed for younger users in every way. T2411 can fit in life with harmony and vitality - IPX7 Full body waterproof.