. Capacity 256MB:MSX-256S(User capacity Approx.220MB) 512MB:MSX-512S(User capacity Approx.460MB)B. Operating voltage 2.7V to 3.6VC. Maximum communication speed 160Mbps(theoretically)D. Operation environment -25癈 to 85癈(-13癈 to 185癈)E.Dimensions(W譒譚) Approx.21.5?0?.8mm (7/8??/8in)F. Mass Approx.4g(0.14oz)G. Supplied accessories Label(1) Storage case(1) Operating instructions(1)