Working Principle:EMS,Warm,Vibration Massage Function:Anti Wrinkle Power Source:Rechargeable Battery Type:Eye Massager Size:22.50*12.00*6.50CM Model Number:B-LMH201113 Manufacturing Process:Machine Made Material:Plastic Origin:Mainland China Certification:CE Number of Pieces:One Unit Item Name:Pair Powder Eye Mask Item Type:Electric Eye Massager Function 1:EMS Pulse Eye Massager Function 2:High-frequent Vibration Eye Massager Function 3:Hot Compress Eye Massager Function 4:Relieve Fatigue Function 5:Tighten Eye Bags Function 6:Fades Dark Circles Massager Function 7:Smooth Eye Lines Function 8:Eye Wrinkle Removal Massager Function 9:Anti Eye Pouch Massager Function 10:Eye Care Beauty Device 3D Eye Massager Feature 1.EMS micro-current pulse massage,beneficial for eyes blood circulation, fatigue relief, fine lines and wrinkles dilution, and black circle reduction. 2.High-frequent vibration of 5000times per minute improves the blood circulation around eyes, activate eyes muscle, and relieve eyes. 3.Warm probes, working with vibration function efficiently massages skin, opening pores for better absorption. 4.Unique 3d shape perfectly fits for eyes, it better exercises eye muscle, providing efficient enjoyment. 5.Designed with 3 modes, each mode with 3 gears. Meet different massage needs of different groups of people. 6.Efficient in relieving eyes fatigue, promote blood circulation, relive cranial nerve, and improve sleep quality and condition. 7.USB fast charging, with large built-in battery, the massager can ensure 2.5-4 hours using time. 8.Light weight,not only is it easy to store at home, but it is also easy to store on the go or when traveling, so you can easily use it anytime, anywhere. Buttons function Middle button: Long press for power on/ off. When power on, the device auto enters the first vibration gear. Short pressing once enters the second vibration gear. (with 2 beep voice) Short pressing twice enters the third vibration gear. (with 3 beep voice) Short pressing three times, the vibration function is turned off. Left button: Short pressing once enters the first temperature gear. (with 1 beep voice) Short pressing twice enters the second temperature gear. (with 2 beep voice) Short pressing three times enters the third temperature gear. (with 3 beep voice) Short pressing four times, the heating function is turned off. Right button: Short pressing once enters the first pulse gear. (with 1 beep voice) Short pressing twice enters the second pulse gear. (with 2 beep voice) Short pressing three times enters the third pulse gear. (with 3 beep voice) Short pressing four times, the pulse function is turned off.