Great for DL music to your PSP since it is ATRAC capable. Fast speed transfer up to 480 Mb/s when using HS MS. Like the US 30 works with DUO and FS (full size) MS without an adaptor.
Specifications Interface: USB 2.0 (USB 1.1 Backwards Compatible) Operating Voltage: DC 5V Power Consumption (Action): 500mA Max Power Consumption (Standby): 500mA Max Transfer Speed: 480 Mbps Max Minimum Write Speed: 15 Mbps1 (when combined with optimized Memory Stick PRO™ format-compatible devices2) Dimensions (Approximate): 1.52" x 0.56" x 2.98" (38mm x 14mm 74.5mm) Weight (Approximate): 1.01 oz (30g)