Description: With ergonomic design, this wireless keyboard and mouse combo provide you with a comfortable typing experience. This wireless keyboard and mouse kit is characterized by zero lag, neat rebound and sensitive keys, which has smooth operation. It is constructed of ABS material, which is ultra-thin, wear-resistant and durable. It supports plug and play. The length of this keyboard is 44.14cm, the width is 15.27cm and the height is 2.39cm. The length of this mouse is 10.5cm, the width is 6.3cm and the height is 3.5cm. The product is multi-system compatible, and is suitable for home, office, business, etc. Item Name: Keyboard Mouse Set Material: ABS Model: KM63 Interface: USB Keyboard Interface: 2.4GHz Receiver Connect Mouse Interface: 2.4GHz Receiver Connect Working Mode: Photoelectric Keyboard: 2 x AAA Batteries (Not Included) Mouse: 1 x AA Battery (Not Included) Photoelectric Resolution: 1000DPI Keyboard Key Life: 5 Million Times Number of Keyboard Keys: 104 Keys Keyboard System Support: Fully Compatible for WINDOWS 98/2000/XP/forVISTA/for WINDOWS7 Mouse Button Life: 3 Million Times Number of Mouse Buttons: 4 Buttons Mouse System Support: for WIN98.2000.XP. for VISTA. for WINDOWS7.8.1 Features: Ergonomic, Low Latency, Plug and Play Size Details: Keyboard Size: 44.14cm x 15.27cm x 2.39cm(Approx.) Mouse Size: 10.5cm x 6.3cm x 3.5cm(Approx.) Notes: 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. Package Includes: 1 x Keyboard 1 x Mouse 1 x Receiver 1 x User Manual