LEFT HANDED LAYOUTThis desktop keyboard's numeric keypad is uniquely on the left side to let you put the mouse much closer. It is convenient for lefties to use, your reach to the mouse is greatly reduced for a more relaxed arm position. The ergonomic key layout also can effectively relieve the right hand fatigue, improve the efficiency of computer and satisfy different needs. 109 KEYS COMPUTER KEYBOARDThis black gaming keyboard has 109 keys, left numpad design allows left hand to operate numeric keypad while keeping right hand for mouse. The keys of the keyboard is responsive and smooth, which brings you a comfortable typing experience and relieves hand fatigue. to every keystroke, improve work efficiency. USB WIRED KEYBOARDThis wired mechanical keyboard adopts Micro USB connection, and designed with another 2 USB interfaces for connecting with other peripheral devices, very suitable for use in games. It is plug and play, drivers and complicated steps are not nee