This 38mm curling iron uses PTC heating, heats up in approximately 35 seconds, and offers temperature settings from 100 to 220°C. - Brand: BAYATA - Size: 38mm - Temperature Range: 100-220°C - Heat-up Time: Approximately 35 seconds - Features: Equipped with negative ion function - Auto Shut-off: After 1 hour - Heating Method: PTC heating - Coating: Ceramic coating Thank you for viewing. I used this once, but I'm selling it because I no longer use it. * Purchased on October 10, Reiwa 7 (2025)