Suiatble for all kinds of chip IC grinding,cutting motherboard,bracket,remove screws,etc High concentricity,Long lasting 100 minutes,280mAh Three speed gears Strengthening the fuselage Application of different degrees of grinding requirements High-speed Motor Smooth Running,Special bearing,effectively reduce noise and shaking Ergonomic Design,Solid steel body building Increase Bob-weight,Light and small,Good grip Adapt to different cenarios,Equipped with 9 grinding heads Long Endurance,Not bound by wire length Wireless operation Tpye-C Charging Port 280mAh Lithium battery Color: As Shown Material: Metal Package Contents: 1set * Multi-function Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.