Lenovo Wireless Keyboard And Mouse Combo 2.4G Plug And Play Driver-Free Waterproof Splash-Resistant Chocolate Large Key Spacing Keyboard 3-Level Adjustable DPI Ergonomic Office Mouse

2.4G stable wireless connection, plug and play, driverless. The mini USB receiver connects to both the keyboard and mouse simultaneously. No driver download is required; simply plug it into your computer. The receiver can be stored in the slot on the bottom of the mouse, making it easy to carry and prevent loss. The signal is stable within 10 meters, ensuring uninterrupted connection and keeping your office wiring neat. Waterproof and splash-proof keyboard, comfortable design for extended typing sessions. The keyboard features a built-in waterproof conductive film and drainage holes on the back to quickly drain spills of tea or coffee, protecting internal components. Classic chocolate keycaps with increased key spacing reduce accidental keystrokes. The widened palm rest provides full hand support, alleviating wrist pain during long periods of typing reports and documents. Laser-engraved characters resist fading and wear over time. Three-DPI adjustable mouse, precise control for various scenarios. High-precision optical sensor with one-button switching between three sensitivity levels: 800 DPI for fine image editing and drawing, 1200 DPI for daily office typing, and 1600 DPI for large-screen multi-screen operation. The ergonomic curved design fits the palm perfectly, reducing hand fatigue during long periods of office work. Compatible with all devices, long-lasting power saving. Compatible with desktops, laptops, and all-in-one PCs. The entire unit uses a low-power chip, eliminating the need for frequent battery replacements in daily office work, ensuring long-lasting and worry-free battery life.