Plug and play:the size of numeric keyboard is 4.nine x 3.2 x .7inch, just as huge as a phone. plug the wi-fi receiver and press the num key at the keypad and wait a couple seconds. presents a cable-unfastened & muddle-free connection, no device driversAre required，which is extraordinary handy.
Low energy intake design:the quantity keypad wi-fi will robotically into energy-saving mode after several minutes of state of being inactive. press any key and wait a pair seconds to wake the usb wide variety pad for laptop.powered through 1 x aaa battery(battery isn't always included)
Large compatibility:18 key mini portable keyboard is compatible with laptop, laptop, pc pocket book,ios, xp, vista or 7, usb port.theCompact length lets in it to perform as regular in any working surroundings without interference.