The Aqua Trim is your ultimate waterproof precision beard trimmer! Designed with a powerful Lithium-Ion Battery, this trimmer provides you with up to 100 minutes of cordless run time off a full charge. This unique trimmer comes with two smooth-glide combs that give you 39 lock-in length setting, ranging from 0.5mm to 20mm with 0.5mm increments, to cater to every length and style. These smooth-glide combs easily cop with bumps and curves, giving you a precise and even cut every time! There are two LED Displays on the front of the trimmer that indicate battery level as well as the current cutting length chosen. Waterproof function allows for quick and easy cleaning!