Feature:

2,4G wireless.

Independent computer key.

not conflict with keyboard.

Press lightly, pop-up calculator interface.

Smart mini receiver.

Automatic connection must not yard.

If necessary, can press "Esc + Back" to connect yards.

Powered by 1 * AAA battery (not included).

Specification:

Material: ABS

Operating frequency: 2.4G

Waterproof: NO

Effective reach: 10mt

Number keys: 23

Color: Black white

Size: 13.8x8x1.8 cm (L*W*H)

System requirements: MAC OS X, Windows XP, Vista, 7, 2000 8.10 USB connection

Package contents:

1 x Numeric keypad

1 x Receiver