30% MORE RUNTIME: With 30% improved runtime versus the 7300, the Dremel 7350 is ready to go wherever you need it. EASY TO HANDLE: Smooth 12,000 RPM single-speed for precise control, making light-duty DIY & home-crafting projects easy. IMPROVED BATTERY LIFE WITH EASY CHARGING: Features rechargeable 4V lithium-ion battery with convenient micro USB charger ensures that it’s ready whenever you are. Power adapter is not included, charge tool using 5V/1A minimum USB power adapter. CORDLESS & PORTABLE: Lightweight and compact, freedom for you to take anywhere.