Souris USB MAC TECH MT-OM23 / OM25 : 500 DA Souris USB MAC TECH MT-OM27 / OM29 : 550 DA Compatible with Windows 98/2000 ME/XP/NT Key life of up to 3 million Roller life lap times of up to 500.000 Mouse line length : 1100mm+/-10mm Rated working voltage : 5V Rated operating current : 100MA wINDOWS 10/8.1/8/7 or later Mac OS x 10.7.4 or later Available PS/2 port or USB port