Product Microcurrent pulse electric massager.Product material: ABS, stainless steelNumber of brush heads: 25Battery capacity: 2000Rated voltage: 3.7VInput current: 5V1A Typec charging portRated power: 5WCharging time: 2.5HUse time: 1.53HRed light wavelength: 650nmConstant temperature heating: 3060Vibration speed: 8000 rpmMicrocurrent (ems): 50V110VProduct net weight: 300gProduct features:Multispeed control adjustment to meet different needs of users.19speed heating, longer hot pressure.19speed vibration, stronger dynamics19speed microcurrent, deeper touch.Waterproof brush head, easy to clean.Adopt hand ergonomic design, convenient to use force and more fit the hand.Onebutton start, good performance, negative pressure under high energy consumption, continuous output, massage once a day, and 2.5 hours of battery life per charge.