Support wholesale products If you open a tool shop, a supermarket and other sellers, and purchase more than 10 items at a time, please contact me and I will give you a lower price We have our own factory, which can produce 5000 products a day and support large orders. Rechargeable 5V Lithium Battery Rechargeable via supplied compatible USB connector at any place, more conveniente for your charging. Full charging time is about 2 hours and can be used about 90 minutes. Easy replacement of acceories 5 Collet size This power tool come with 5 collet sizes0.8mm,1mm,1.6mm,2.3mm.3.2mm), to fits different suitable acceories and it is easily changed. 5 Rotation Speed 5 Rotation Speed controled by one button - 3000/5000/10000/15000/18000 rpm, shows clearly with three red light on the tool body. It can meet different tasks against your needs. A variety of drill bits can be matched Choose different acceories to correspond to various need Multi-scene work which can be used to do all kinds of home projects or crafting jobs, such as grinding, cutting, sanding, carving, polishing, drilling and more. Buy at ease! 37 Premium Swap-able Heads Comes with 37 attachments and acceories in total that makes it a great deal, while shifting from one bit to another is so easy. Collets x 5, Mandrel x 1, Drill Head x 7, Sanding bands x12,Grinding wheel with shankx5,Felt wheelX5,Sanding shankx1metal cutting blade x1