ZRO Facial Cleansing Brush provides a DEEPER CLEAN for your face, and SMOOTH, BEAUTIFUL, GLOWING skin for you. Feature Weight: about 38.4 g Size: 5.8 cm x 4.3 cm x 3 cm Waterproof Level: IPX 5 Vibration Frequency: 8500-9500 rpm Function: Delivering up to 8500-9500 pulses per minute, the Sonic Beauty Brush gently exfoliates your skin, removes dead skin cells, unclogs your pores and rids your face of unwanted dirt, leaving you with a SMOOTH, RADIANT complexion. Instructions: Step 1: Remove makeup, wet your face, apply facial cleanser to cleanser brush, then keep press switch. Step 2: With your chin, gently move your chin up to your ears until you clean your face. Step 3: Move gently from the middle of your forehead until you clean your forehead. Step 4: Slide up and down the nose of the nose while cleaning the flanks of the nose. When cleaning around the eyes, gently slide the outward. Notice The fact that it's battery-powered makes it even more portable. But please noticed that it isn't support recharge OR change the battery, but it can be used at least 110 times in 2 mins per time. Although it would out of power, it still can be used as a daily facial cleansing brush.