Purchase Notes:If you come back upon product problems; logistics problems, please contact customer support in a timely manner, we will assist you solve the problem, thank you on your purchase, I hope you'll get pride from our products! Electric Hair Trimmer1 battery design2 barber tools, or household,5-gear Adjustable Precision3 LED display. 800 mAh Battery4 metal blade, sharp and prompt cutting5 noise, excessive power6 and safe charging, ordinary operating time is 90 minutes7 Rpm ,Copper twine motor, non-plastic motor8 for (men, women, the elderly)