Electric Engraving Pen Cordless Mini Carving Pen 300mah Rechargeable-subaoe (300Mah, 8W, USB) CHARGING: The metal carving pen is equipped with a motor and a 300mAh rechargeable battery that can be charged via a USB port, providing up to 8W of power during operation. The third gear can work for more than 1 hour without load. If you need to use it for a long time, you can also use it while charging. USB charging, quiet operation. Powered by 300mAh lithium battery, 3 speeds for your choice, the body is made of alloy with good heat dissipation, which facilitates artistic DIY. (3 SPEED LEVELS ADJUSTABLE) Three speed adjustable 5000, 10000, 18000 three speed, can be used to create keychain, DIY necklace and so on. The engraving pen can be used as an electric engraving or polishing tool. And the metal engraving tools have a power indicator for easier use. Compact and portable, the whole machine weighs only 40 grams. MULTI PURPOSE SCENES: Our electric engraving pen supports engraving, grinding, polishing, drilling, cutting and more on metal, leather, wood, jewelry, stone or statues; Also can be carved on glass, ceramics and other levels, grinding and engraving are very beneficial. The Mini engraving machine has a built-in power switch, so you don't have to worry about stopping work by accidentally touching the switch. Multifunctional and precise control: it can be used for carving, sharpening, grinding or polishing wood, plastic, tile, glass, ceramic, stone, metal and more. (EASY TO USE): Our metal engraving tools are easy to use, especially for beginners. Its main body is made of metal, long-term use will not cause deformation. Ergonomically designed handles provide comfort and make it easier to work with engraving. These compact and portable pickling pens are easy to carry and allow you to enjoy a relaxing time when creating handmade diamonds. Color: Silver Material: metal Package Contents: 1 x Engraving Pen 1 x Data Cable 1 x T-shaped Grinding Head 2 x Lever with 2.35 30 Shank x 2.35 Rotary Drill 2 x Drill Bit (1.0mm, 1.5mm )3 x Sanding sheet (16 mm, 20 mm, 25 mm)3 x Stainless steel cutting sheet (22 mm, 25 mm, 32 mm) The above package content does not include other products. The permissible measurement error is 1-3 cm.