... 3. Tourmaline ceramic plates 4. 8 years factory experience Mini Hair Straightener 1.Dual voltage, Mini size, convenient for travel2. Super fast ... maximum temperature 3. Tourmaline ceramic plates can give out negative irons to create amazing shiny and silky finish.4. Simple on ... transfer printingTest certification: CE approval, ROHSVoltage: 110V~240V Mini Portable Hair Straightener, hair iron