STABLE WIRELESS CONNECTION: The advanced 2.4GHz wireless technology provides a powerful, reliable connection for the keyboard and mouse within 33 ft. Just insert the small USB receiver (stored in the mouse battery slot) into your computer and it’s ready to go WIDE COMPATIBILITY: The wireless keyboard and mouse combo works well with Computer, PC, Desktop, Laptop with Windows XP / 7 / 8 / 10 / Vista system, not fully compatible with Mac OS COMFORTABLE & QUIET TYPING: Featuring a refined scissor mechanism, the wireless keyboard delivers a responsive, comfortable, and quiet typing experience. Plus, the full-size layout with numeric keypad and multiple hotkeys is designed to take your workflow to a new level ADJUSTABLE DPI & ERGONOMIC DESIGN: The mouse boasts 3 DPI levels (800/1200/1600 DPI) to ensure fast, precise tracking over a variety of surfaces. The contoured shape fits your hands perfectly, reducing hand fatigue LONG-LASTING BATTERY: This wireless keyboard and mouse combo can work for 60 days to 120 days without changing batteries (not included). To save power, the keyboard and mouse will automatically go into sleep mode after being idle for 8 minutes