Specifications:
Type: Wireless Keyboard
Interface: Wireless Bluetooth
Keyboard Power Supply:2 x AAA Batteries (not included)
Compatibility:Desktops, Laptops, and Tablet
Material: ABS Plastic
Operating Voltage: 3V
Operating Voltage: 4mA
Operating distance: Up to 10meter
Keyboard Dimensions:(11.22 x 4.72 x 0.78)" / (28.5 x 12 x 2)cm (L x W x H)