Advantage:Sonic cleaningThird gear adjustmentGear memorySkin Q bomb.Wireless chargingBody washBattery capacity: 250mAhSteps for usage:1. Apply facial cleanser: (evenly apply facial cleanser after moisturizing face)2. Clean the forehead: (Clean the forehead in a circular manner for 20 seconds)3. Clean the nose and chin: (Clean the nose and chin in a circular motion for 20 seconds)4. Clean your cheeks: (Clean both cheeks in a circular motion for 20 seconds)5. Wash your face: (Rinse your face with water)6. Skin care: (Apply skin care products or apply a hydrating mask)