Cutting your hair, trimming your beard, and removing other body hair: use the Wahl Aqua groom for it. The multi-purpose trimmer trims and shaves at different lengths. Use the 12 included comb attachments with cut lengths between 1.5 and 25 millimeters. Connect the shaver head to the multi-purpose trimmer and shave your stubble in one single movement. The battery lasts 3 hours after a 1 hour charge. Useful, since you can use it for trimming sessions. Done? Rinse the completely waterproof multi-purpose trimmer under the faucet.