Closed lock design, after the splint is clamped, it can be locked with one button for convenient storageDoes not change the length of the hair, only trims the split endsDouble-sided comb: combing/repairing 2 in 1 to avoid pulling. Easily create flowing hairEasy To Use: Our hair trimmer removes split ends from hair faster and . It's designed for ease of use and convenience.Suitable For All Hair Types: This hair curler end trimmer is specially designed for curly, wavy, straight, thick or thin hair that's chin-length or longer. Customers may need to straighten their curly hair before using the trimmer. Results depending on previous customer's hair condition. Input voltage: 5V 1AWorking voltage: 3.7V 0.2ALithium battery: 3.7V 500mAhPower: 3WMaterial: ABScolour: black Package Contents: 1 x Host1 x Cleaning Brush2 x Hairpin1 x USB Charging Cable 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.