Smaller and thinner than Memory Stick PRO Duo?media. Less than one third of the a quarter of the volume with Memory Stick PRO Duo media. Memory Stick Micro media supports two operating voltage (1.8V and 3.3V) to support mobile phone and Memory Stick PRO hardware. Able to use Memory Stick Micro media for Memory Stick PRO hardware using supplied Memory Stick Micro adaptor. Capacities: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB. Average Operating Current (Parallel Transfer) 100A (max. ) Advanced security with Access Control Function and MagicGate?technology Compatible with all Memory Stick PRO or PRO DUO-compatible devices