outer ring comb, four speed temperature control, dual anti scald protection, 50 million negative ions, caring for hair health Ceramic glaze coating, caring for hair while reducing static electricity, smoothing hair to prevent frizz Smooth comb teeth, without pulling or sticking hair 20s rapid heating, 4-speed temperature control, suitable for different hair types Compact and mini, can be carried around, and can be styled anytime, anywhere for business, office, or travel Voltage: 7.4 Features: outer ring comb, four speed temperature control, dual anti scald protection, 50 million negative ions, caring for hair health Ceramic glaze coating, caring for hair while reducing static electricity, smoothing hair to prevent frizz Smooth comb teeth, without pulling or sticking hair 20s rapid heating, 4-speed temperature control, suitable for different hair types Compact and mini, can be carried around, and can be styled anytime, anywhere for business, office, or travel Specification: Material: ABS Charging voltage: 5V Working voltage: 3.7V Rated power: 35W Battery capacity: 2000mAh Color: Black Size: 210mm*46.5mm Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. 1pc x Straight hair comb 1pc x USB cable 1pc x Comb 2pc x Hairclips 1pc x Manual Package Contents: 1x Straight hair comb 1x USB cable 1 x Comb 2 x Hairclips 1 x Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.