Quick Facts 1. Type: Automatic Curler 2. Material: Ceramic 3. Heat Settings: 3 4. Timer Settings: 4 5. Charge Time: 4.5 hours 6. Use Time: 1 hour 7. Heat Range: 320°-400° The Conair Unbound Auto Curler has a ceramic barrel, the smoothness of which will keep your hair from tangling. The curler itself is sleek and. Quick Facts 1. Type: Automatic Curler 2. Material: Ceramic 3. Heat Settings: 5 4. Timer Settings: 5 5. Charge Time: 3 hours 6. Use Time: 1 hour 7. Heat Range: 320°-390° The YAPOY Hair Curler comes in two colors, so it'll be just as picture-worthy as the curls you get from it. Quick Facts 1. Type: Clamp Curler 2. Material: Ceramic 3. Heat Settings: 1 4. Timer Settings: None 5. Charge Time: None 6. Use Time: Unlimited 7. Heat Range: 390° The. Quick Facts 1. Type: Clamp Curler 2. Material: Ceramic 3. Heat Settings: 1 4. Timer Settings: None 5. Charge Time: None 6. Use Time:. Quick Facts 1. Type: Automatic Curler 2. Material: Ceramic, tourmaline, and nano silver 3. Heat Settings: 6 4. Timer Settings: 6 5. Charge Time: 3 hours.