... & Play Compatible· No external power is required· Supports Windows 98 / Me / 2000 / XP / Vista/ 7, Mac OS 9.0, Linux 2 ... quality real chips Operation system Windows 7/Vista/XP/2000/ME/98 and Mac OS 8.6 or above Reading speed ... 10 years data retention LED lightDual LED indicates power, busy, read/write Shock resistance1000G Durability Water proof, sand proof, heat tolerant ...