Whether you are a DIY enthusiast a professional craftsman or a pet owner the EfforPrac 3.7 Volt Mini Cordless Rotary Tool is an ideal choice for your creation and pet care. 5 speed settings one-touch switching. Equipped with a 3.7V rechargeable battery and a 1M TYPE-C fast charging cable it can be fully charged in 1H~2H. You can use it to decorate hydro flasks and random stuff or as a nail file got dog nails. Wireless and cheap excellent balance is better which makes your wrists not hurt. Good product if your doing something small or nails.