Features: Advanced Charging Security: Features intelligent charging security structure to minimize battery wear and secure security during charging, with a clear rose measure light showing the charging condition. High Accuracy Double Bearing Structuremail: Armed with a high concentricity double bearing plan for decreased throb and strengthened stability during engraving and crushing tasks. Flexible Crushing Executivesecond: Includes multiple exchangeable crushing executives for various engraving and polishing demands, offering flexibility across different circumstances. Usb CREATE Fast Charging & Long Battery Lifemail: Backs Usb CREATE fast charging with a constructed in 1100mAh lifepo4 battery, providing up to 103 periods of continuous runtime for uninterrupted creativity. Ergonomic & Transportable Planumberepeat: Thin and compact for easy handling, making it ideal for home undertakings while ensuring comfort and control during extended use. Specifications: Product substancemail: ABS Single set size 249x141x63mm Single set weigheight: 712g Denial load speeducated: 8000~28000r/min Toss sizemail: 2.35/3.2mm Machine sizemail: 203x37x36mm Battery capacity: 1100mAh Visual machine weigheight: 217g Product potentiall: 7.2V Package Includes: Hostx1 Data cablex1 note: Pay attention to the storage methods.