Dimensions 73.8 mm x 37.2 mm x 10.4 mm (2.91" x 1.46" x 0.41") Weight 29 g (1.02 oz) Input Interface USB 3.1 Gen 1 USB Type-C Output Interface USB Type-A x4 (USB 3.1 Gen 1) Operating Temperature 0C (32F) ~ 70C (158F) Power Output Power 5V/0.9A from USB port Certificate CE/FCC/BSMI Warranty One-year Limited Warranty Warranty Policy Please click here for more information about the Transcend Warranty Policy. System Requirement Operating System Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 10 Mac OS X 10.2.8 or later Linux Kernel 2.6.30 or later