... %(40°C)Operating Voltage1.8V-3.6VOperation Systemsupport Windows 98SE,Me,2000,XP,Vista,WIN7,WIN8,MAC and aboveData retentionOver 10 yearsPowerNo ... , lanyard, key ring, necklace,and etcPacking ChoicesBulk packing,polybag packing,retail box,gift box,plastic box,tin box,PU pouch,blister ...