Product Description Capacity: 128MB-4GB Available memory: Approx. 1. 89GB Operating voltage: 2. 7 - 3. 6V Average operating current: Max. 65mA (serial transfer); Max. 100mA (parallel transfer) Standby current: Max. 1. 5mA Max. Parallel transfer speed: 160Mbps (20Mbps) Min. Write speed: 15Mbps (when combined with optimized memory stick PRO(TM)-compatible devices) Dimensions (W x L x T): Approx. 20 x 31 x 1. 6mm Weight: Approx. 2g Environmental temperature: -25 to 85 non-condensing This product is compatible with: Sony: PSP Sony Ericsson: D750i, K750i, P910i, V800, W800i, W810i, Z800i