2.4G Wireless Connection: Compact nano USB receiver connects keyboard and mouse up to 10m range with stable signal. Plug-and-play, no drivers needed. Rechargeable Battery: Built-in high-capacity lithium battery lasts up to 3 months per charge via micro USB (approx. 2 hours). No battery replacement required. Auto sleep mode after 8 minutes of inactivity for power saving. Adjustable DPI and Multimedia Keys: Mouse offers 3 DPI settings (1000 or 1200 or 1600) for precise control. Keyboard includes 12 shortcut keys for quick access to media, internet, and email. Quiet Design: Silent clicks reduce noise, ideal for libraries or shared spaces. Compatibility: Works with PC, laptop, Windows (XP or 7 or 8 or 10), and Mac OS X 10.4and. Package Includes: - Wireless keyboard - Wireless mouse - Nano USB receiver - Charging cable - User manual Specs: - Range: 10m - Keyboard size: 284x121x16.5mm - Mouse DPI: 800 or 1200 or 1600 - USB 2.0 interface Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.