Dimensions: 71.3 mm x 20 mm x 7.8 mm (2.81 #34; x 0.79 #34; x 0.31 #34;) Weight: 11 g (0.39 oz) Color: Black/Silver USB Type: USB Type-A/USB Type-C Connection Interface: USB 10Gbps Flash Type: 3D NAND flash Capacity: 256 GB/512 GB/1 TB/2 TB Operating Temperature: 0°C (32°F) ~ 60°C (140°F) Operating Voltage: 5V±5% Read Speed (Max.): up to 1050 MB/s Write Speed (Max.): up to 950 MB/s Certificate: CE/UKCA/FCC/BSMI/KC/EAC/RCM Operating System: Microsoft Windows 7 or later, macOS 10.10 or later