The Wireless Ultra-Mini Touchpad Keyboard is the ideal companion for text entry and pointing up to 33 feet away. The game controller-like shape is comfortable and instantly familiar in the hand. The integrated touchpad provides accurate and quick navigation with the shoulder buttons providing left and right mouse buttons. Device Type: Keyboard - wireless Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Layout: QWERTY Features: Integrated touchpad Dimensions (WxDxH): 5.3 in x 3.7 in x 1.2 in Weight: 5.01 oz Manufacturer Warranty: 1 year warranty Device Type: Keyboard - wireless Interface: 2.4 GHz Max Operating Distance: Up to 33 ft Wireless Receiver: USB wireless receiver Layout: QWERTY Features: Integrated touchpad Width: 5.3 in Depth: 3.7 in Height: 1.2 in Weight: 5.01 oz OS Required: Microsoft Windows Vista / XP / 7 Type: AA type Installed Qty: 2 Service & Support: 1 year warranty Service & Support Details: Limited warranty - 1 year