1.42 warm massage, promote blood circualtion. 2. Sonic vibration, relieve muscle pain. 3. Red light, regulate sebum secretion. 4. Blue light, stimulate collagen regeneration. 5. EMS, activate cell vitality. 6. Positive ions, deep clean skin. 7. Negative ions, moisturizing the skin. 8. USB rechargeable. Power: DC 5V/1A 3.7V/500mAh Size: 92*92*28mm Weight: 60g