Micro-current Vibration Massager 4D Roller. Features: With a high frequency of vibration, this device activates and dissolves fat granules without requiring intense physical activity. It promotes effective lymphatic drainage and unclogs meridian pathways. The machine utilizes efficient modulated microcurrent pulses on the skin, acupuncture points, and meridians; the microcurrent generates micro waves deeply to the subcutis and muscles, helping to maintain the skin's elastic fibers. This device emits blue lights on the skin to enhance collagen regeneration; it operates at a safe voltage with physical vibration. It boosts blood circulation in the vessels and provides aerobic exercise for the muscles. Specifications: Material: Metal Power Source: Rechargeable Battery Item Name: Micro-current Vibration Y Shape Beauty Massager Technology: Micro-current, High Frequency Vibration, LED Function: Full Body Massage, Skin Tightening, Lifting, Wrinkle Removal Type: Rechargeable Y Shape 4D Roller Beauty Massager Package Includes: 1* 4D Y Shape Massage Roller 1* USB Charging Line 1* User Manual.