Input voltage: 5VInput current: < 1ABare weight: 124gBattery capacity: 850MAHBattery type: lithium batteryProduct suction: 53KPACharge time: about 200 minutesUsage time: about 150 minutesVacuum adsorption, quickly and effectively suck out blackheads, pull and tighten.Absorb knead press, let skin reproduce vigor fade fine linesOil cleaning, keep pores unblocked