Look 77 x 55.7 x 9.6 mm (3.03" x 2.19" x 0.38") is the measurement. 35 g (1.23 oz) in weight The color black Interaction USB-compatible USB 3.1 Gen 2 Storage Interface: USB Type C to USB Type A / USB Type C to USB Type C 3D NAND flash type with 240 GB, 480 GB, or 960 GB of capacity Environment of Operation Temperature range for operation: 0°C (32°F) to 70°C (158°F) 5V is the operating voltage. Note that the One Touch Auto-backup feature requires the Transcend Elite software. Performance The maximum read speed is 520 MB/s. Maximum Write Speed: 460 MB/s Note: Host hardware, software, usage, and storage capacity can all affect speed. CE, FCC, BSMI, KC, RCM, and EAC warranty certificates Limited Warranty for three years Policy for Warranty Kindly click this link.