Metal Key USB 2.0 8GB Flash Memory Stick Pen Drive Storage Thumb U Disk Hot plug & play Intelligent USB2.0 port,good compatibility. Exquisite and novel appearance. Convenient and functional. High read/write speed. Small and light,easy to carry.you can put in a keychain and use it at any time you want! Easy to read and read in high speed ,No need drive/power supply only plug in. Fast data transfer rate--Read: 15MB/sec & Write: 6MB/sec High quality in EU and US quality standard Storage capacity: 8GB Very small and stylish with key ring hole It's formated to be used on PC, laptop and Mac etc