Professional Office Setup Lenovo LECOO CM102 wired USB keyboard and mouse combo offers a reliable and efficient solution for your office needs. Durable construction: both keyboard and mouse are made of high-quality ABS material, ensuring longevity and resistance to daily wear and tear. Full-size keyboard: features 104 keys, providing a complete layout for comfortable typing and increased productivity. Adjustable mouse sensitivity: three DPI settings (800/1200/1600) allow customization of cursor speed and precision. Long-lasting performance: key lifespan of over 5 million clicks for both keyboard and mouse. Wide compatibility: works with various Windows operating systems including Windows 2000, XP, Vista, 7, 8, and 10. Keyboard material: ABS. Keyboard interface: wired USB. Keyboard key count: 104. Keyboard dimensions: approximately 446.8 x 126.15 x 22mm. Mouse material: ABS. Mouse interface: wired USB. Mouse button count: 3. Mouse DPI: 800, 1200, 1600 (adjustable). Mouse dimensions: approximately 108 x 63 x 36mm. Operating voltage: DC 5V for both keyboard and mouse. Key lifespan: greater than 5 million clicks for both keyboard and mouse. Compatible systems: Windows 2000, XP, Vista, 7, 8, 10.