Portable Cordless Automatic Hair Curler USB Rechargeable Hair Curler for Waves Specifications: Max. Temperature: 200C Power: less than 25 W temperature Controller: Knob minimum value. Temperature: 160C Applicable hair: both wet and dry use Diameter: less than 15mm Power cord tail Assembly method: wireless charging Material: Plastic Thermal plate/rod material: Aluminum Power source: rechargeable battery Type: Single function curling iron Voltage: 100-240v (dual voltage) thermally conductive plate/rod Service life: 10,000-20,000 times. 6 Temperature setting Press "Menu" to select temperature, direction, /H and timer in turn, press "Adjust" to set the value Temperature Range: 150, 160, 170, 180, 190, 200.6 Timer Settings--Timer Range: 8S~18S--Meet your expectations for all your curling results--Long-lasting and easy to use--This device will curve instantly Transforms into curls and provides 360-degree 3D heating to instantly set your hairstyle and keep curly hair longer. Create perfect curls with ease. Hair and Mini Sizes - Enjoy Your Hair - Enjoy your hair anytime, anywhere. --Cordless Limitations--Cordless curls with built-in battery pack fit easily into a pocket or in a perfectly sized backpack (only 7.6" long), feel comfortable in the hand, and seduce 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 for 2 seconds. 2. Press "Menu" to select temperature, direction, /H and timer in turn, then press " After setting the temperature, the appliance starts to heat NOTE: The heating symbol flashes during heating. When the temperature setting icon is reached it will stop flashing and you will hear a beep 4. Comb to remove all tangles and divide hair into sections no larger than 0.78 inches 5. 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. When you hear the last beep, auto-curling is complete. The number of beeps of the product corresponds to the set timer d. H. A timer set to number 8 will beep 8 times.