100% brand new and high quality Material: ABS Product size: 5.75.22.4CM Power supply: rechargeable lithium battery 3.7v170mah Charging time: 2 hours Frequency: 185 Hz Noise: less than 50 decibels Function: Micro-current sonic vibration Gear: third gear When staying up late becomes a habit, the skin foundation deteriorates and there are more and more face problems: Loose skin Large pores Dull and yellowish complexion Poor absorption Obvious neck lines Microcurrent = Facial Yoga Deeply penetrate the skin to relax facial muscles and improve muscle function Package included: 1 x Beauty Instrument Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)