Product DescriptionSmall, compact and efficient rechargeable rotary toolTacklife PCG01B 3.7V Cordless Rechargeable rotary tool is 7.16 inches long and and 0.17 pounds only, fits nicely and comfortably in the hand and does the specific job, perfect for making cute little gifts for family and friends.We warmly recommed to read manual before using and donnot put the spindle lock while operating.Technical Data✔ Battery Type: 3.7V Li-on/0.6Ah✔ Charging voltage: 5v DC(USB)✔ Voltage rating:3 .7V✔ Collet size: 3/32”(2.3mm)✔ No-speed: 5,000/10,000/15,000 rpmNote:- It is recommended to check the power before using this item, and keep working at full power to avoid low battery during the work.- It is not recommended to operate heavy duty work. The Cordless Rotary tool perfect for DIY and small jobs, such as simple sanding, polishing, etc.What festures you cannot missLight & cordlessRechargeable via supplied micro USB at any place. Full charging time is about 2 hours and can be used about 90 minutes.3 Power settingsOne button for on/off and 3 levels of speed change, help you adjust as you work with different items, good for for light duty.2 Collet sizesCollet size is 3/32”and 1/8", changes bits easily and fits in other suitable accessories.Make hobby work easierCleaning/polishingGrinding/sharpeningCarving/engraving