Number keypad with 18 keys; USB interface, retractable cable * Excellent for notebooks/laptops without a number pad * Compatible with Windows 98/2000/ME/XP/Vista 32/7 (32 bit) * Size: 5.25 x 3.5 x .25" ; Color:Black; Package Contents: 1 x USB Mini Number Pad * HDE® is a registered trademark and is the only authorized seller of HDE branded products