I haven't used this recently, so I turned it on to check its operation. COLD.SET.TURBO is working properly. However, as this is an old item, please understand that we cannot provide a warranty for any issues that may occur during shipping. We appreciate your understanding with no claims and no returns. Nanoe hair dryer, white. - Brand: Panasonic - Model: EH-NA29 - Voltage: AC100V 50/60Hz - Features: Nanoe function - Color: White