Sony 8GB MS PRO-HG Duo. Internal memory: 8192 MB, Flash card type: Memory Stick PRO-HG Duo (MS Pro-HG Duo), Read speed: 30 MB/s. Weight: 2 g, Width: 20 mm, Depth: 1.6 mm. Input voltage: 2.7 - 3.6 V. Operating temperature range (T-T): -25 - 85 °C. Colour of product: Black