1. Adjustable Taper Lever Optional CombsOur hair clippers set features removable blades that can be washed after removal. It includes 8 protective guards: 3mm, 6mm, 10mm, 13mm, 16mm, 19mm, 22mm, and 25mm for the hair clipper, and 3 protective guards: 1.5mm, 3mm, and 4.5mm for the trimmer. You can adjust the blade of the hair clipper with the golden switch on the side. 2. Professional LCD Display: Both clippers have LCD screens that show the remaining battery power from 0 to 100 percent, along with charging status and lock status. 3. USB Charging Multiple Charging OptionsOur barber clipper has versatile charging methods, compatible with laptops, PCs, power banks, etc. It can be charged anywhere, and both can be used while charging. 4. Powerful Motor Low NoiseThis quality hair clipper set is equipped with a strong motor, is lightweight for comfortable handling, and operates quietly.