400 mAh lithium battery delivers 4+ hours of continuous use and charges via USB TypeC for quick ups. Lightweight and portable at 44 g, enabling easy singlehanded operation and reliable performance for more than 1000 screw removals. Dual modes with manual and electric operation; torque adjustable from 0.5 to 3 Nm; alloy steel bits cover a wide range of screw types. Designed for DIY enthusiasts, electronics specialists, and homeowners who need a reliable tool for delicate smartphone or appliance maintenance. Optimized for compact workspaces with quiet, cordless operation; suitable for circuit board repairs, furniture assembly, and other tasks in tight areas. Use scenarios: Delicate smartphone and small electronics maintenance or . Circuit board work requiring precision and minimal noise. Furniture assembly or other tasks in cramped spaces that benefit from a quiet, cordless tool.