The VGR V-919 Hair trimmer is completely handy to carry and can be charged anywhere with the Type-C USB cable. Comes with a built-in rechargeable battery, and a full charging time of 2 Hours to offer around 100 minutes of running time. By use of the 3 cutting guides provided, you can adjust the length of the trim up to a maximum of 3mm (with the guide comb inserted). The length of the cut is shown on the guide comb. This trimmer is cord & cordless you can also use this trimmer while charging