This keyboard is more convenience than normal keyboard,your didn't worry about the line will mess up.

* Max Operating distance: 30m* Model: DSSS model RF(2.4G) * Transmitting power: Max +4dBm* Working voltage: 3.3V* Working current: <150mA* Charge voltage: 4.2V~5.05V* Charge current: <350mA* Sleep current: <1mA* Color: black, silver & white optional                                                               

* A very small QWERTY keyboard* Features backlights allowing it to be used in darkened conditions. * Is wireless and works on a 2.4GHz radio frequency that connects up to a provided receiver. * The range of the keyboard is 30 meters. * Has a mini touchpad allowing you to take control of the mouse pointer. The pad works both vertically and horizontally.* The QWERTY keyboard isn’t full, but it has 69 keys in total providing plenty of function keys and other various keys you might  need.* The battery is built-in and can keep the keyboard powered for about 1 months usage.* A laser pointer so you can use the Rii for skipping through slides and pointing on slides when needed.