2.4GHz Wireless 104-Key Keyboard & Optical Mouse Combo with USB Receiver (1 x AA + 1 x AA)
2.4GHz wireless connectivity - Optical mouse resolution: 1000dpi - Frequency: 2402~2480MHz - Operational distance: within 10m - Keyboard powered by 1 x AA battery (included) - Optical mouse powered by 1 x AA battery (included) - Comes with USB receiver and Chinese user manual - Supports system: Windows 7/Vista/XP