product descriptionNegative ion hair care ice comb1. Product description1. Voltage: 110V-220V (global voltage)2. Power: 55W, 50/60Hz;3. Power cord: 360-degree rotating design, pure copper rubber round wire, 2M;4. Refrigeration effect: as low as 2-3℃;5. Usage and functions: short press to start, long press to shut down; with negative ions and blue light to maintain and repair hair;6. Efficacy: Perform low-temperature cryotherapy on the hair, eliminate hair frizz, make it brighter and smoother, straighten hair, nourish hair, and care;