General description This USB charging electric reciprocating sander is designed for DIY enthusiasts, offering a compact and ergonomic solution for small projects and intricate tasks. It features a user-friendly design with various accessories, making it ideal for sanding and polishing. Technical specifications Size: 178 x 21 x 18 mm Reciprocating stroke: 2.5 ± 0.1 mm Battery specification: 280 mAh Load output current: 750 mA Input voltage: 5 V Maximum no-load output current: 250 mA Output voltage: 3.7 V Power rating: 2.8 W Input current: 1 A Charging time: 20 ± minutes No load continuous use time: 100 ± minutes Usage Ideal for precision grinding and polishing of small parts. Not suitable for large parts. Do not apply excessive force to the grinding head to avoid overloading the motor. Other information Includes: 1 x Body, 8 x Grinding Heads, 1 x Cord, 1 x Storage Box, 582 x Adhesive-backed sandpaper for flat grinding head (#180/280/400/600/800/1000, 97 pcs of each grit), 282 x