110v-240V Voltage, 50/60Hz,5W cordless or corded use washable,waterproof level IP*6 USB charging method LCD display, charge reminder,battery level reminder, washable reminder, travel lock reminder professional titanium blade,very sharp , not pull hair blade width 40 mm 2 hours fast and safe charging, 99 minutes working time 1000 mA lithium battery 4pcs cutting guide comb ,3/6/9/12 mm English user manual English retail box Long press the switch button for 5 seconds to lock/unlock the machine Applicable to men,women,old people,baby,children,barber shop?MEN GIFT & LIFETIME WARRANTY?This grooming trimmer is a great gift for men, fathers, husbands, boyfriends and sons. We also back this hair cutting trimmer with a lifetime warranty. ?FAST CHARGING?The built-in rechargeable lithium-ion battery of the professional hair trimmer for men can be used for a long time after being fully charged quickly. The cordless design allows for on-the-go use, making it ideal for travel. ?LED Digital Display & Wireless Design?The hair clipper LED digital display shows charging status, remaining power indication. Don't worry about the hair clipper running out of power during use, the LED display will display the remaining power of the hair clipper to remind you to charge it in time. Don't worry about finding a plug, this clipper is cordless so you can cut hair anywhere!. ?High-Speed Motor, Efficient Trimming?The high-speed motor inside the men's hair trimmer rotates at a super high speed, enabling the blades to move back and forth faster to trim hair evenly and neatly. The powerful drive electric hair clipper quickly completes a variety of trimming jobs. Do beauty or hairdo for yourself or your family at home. ? High-Quality Blades ? Cordless Professional Hair clippers are equipped with super sharp blades to stay sharp for long periods of time without pulling your hair. Whether it's trimming your hair, beard, face, sideburns, or body hair around your bangs and ears, you can easily adjust your comb to the right height to get the results you want.