Up to 120Mb/s read speed and 45Mb/s write speed save time when transferring files. It is 8 times faster than a standard 2.0 flash drive and saves about 20 minutes when transferring a 1080p full HD video. With a rubber casing durable anti-shock and water resistant; Speed: USB 3.0: 120Mb/s read speed 45Mb/s write speed; USB 2.0: 30Mb/s read speed 25Mb/s write speed; Dimensions: 56.0mm x 22.0mm x 9.2mm; Operating temperature: 0~60'C; Storage temperature: -20~85'C; High performance: Compatible with USB 3.0 backward compatible with USB 2.0; Compatibility: Windows® 8.1 Windows 8 Windows 8 RT Windows 7 (SP1) Windows Vista® (SP1 SP2) Mac OS X v.10.6.x + Linux v.2.6.x +.