A great value usb keyboard and mouse bundle offering good ergonmics with decent longivity of 5 million keystrokes it39s ideal for home office or business use general specifications interface usb os compatability windows 98 2000 me xp vista 7 8 81 10 amp linux keyboard specifications layout uk layout key quantity 104 key cable length 15m dimensions w 437 x d 135 x h 21mm weight 0361kg working voltage 45v 55v working current 35ma