Portable Cordless Automatic Hair Curler USB Rechargeable Hair Curler Wave Curler Specifications: Max. Temperature: 200 C Power: Less than 25 W Temperature Controller: Knob Min. Temperature: 160 C Suitable for Hair: Dry and Wet Heat Conductor Diameter: Less than 15mm Power Cord Tail Assembly Method: Wireless Charging Material: Plastic Thermal Plate/Stick Material: Aluminum Power Supply: Rechargeable Battery Type: Single Function Curler Voltage: 100- 240v (Dual Voltage) Thermal Plate/Stick Life: 10,000-20,000 cycles. 6 Temperature setting Press "Menu" to select temperature, direction, /H and timer in turn, press "Setting" to set the temperature range: 150, 160, 170, 180, 190, 200.6 Timer setting--timer range: 8S~ 18S -- Meets all your looping expectations -- Durable and easy to use -- Instantly turns curves into loops and provides a full 360-degree 3D heater with this device, your hairstyle is instantly set and your Longer hair curls. Effortlessly style flawless curls. Hair and Mini Sizes -- Enjoy Your Hair Beauty -- Enjoy your hair beauty anytime, anywhere. --Cordless Limitations--The cordless loop with built-in battery makes it easy to carry in a perfectly sized pocket or backpack (7.6" long only), feels comfortable in your hand, and draws hair faster. 4How to use? 1. Press and hold "Power On/Off" for 2 seconds to power on Note: To power off, press and hold "Power On/Off" input for 2 seconds. 2. Press the "Menu" key to select Temperature, Direction, /H and Timer in turn, and then press the "Setting" key to set the Temperature/Direction/Unit:/H/Timer3 value. After setting the temperature, the appliance starts to heat up. NOTE: The heating symbol flashes during heating. When the temperature setting icon is reached, it will stop flashing and you will hear beep 4. Comb to remove all tangles and divide hair into sections no larger than 0.78 inches. Run the hair section through the curler chamber and hold the start button to start the motor that pulls the hair into the curler chamber. 6. Release the start button when you hear the first beep. 7. The automatic loop ends when you hear the last beep. The number of beeps of the product corresponds to the set timer d. H. Timer set to 8 will emit 8 beeps.