Feature:Support System:Windows 2000/XP/Vista,7, 8,10.Mac OS: 10.3 and aboveSupport Device:Computer/Laptop/TV/TV Box/Car Media Player and etc.About use:Plug and play (no software needed)Interface type:USB2.0,Adapter to type C/Micro USB(For device with OTG Function)Safety,Dustproof,Shockproof,WaterproofOperating Temperature:(0º C to 60 º C)Storage Temperature:(-25º C to 80º C)DCVcc Power:DC 4.5-5.5 VSize :46.6mm x W 15.8mm x H 5.0mm/11.5g weight(net weight)About capacity:16GB Approximately 14 GB-15 GB32GB Approximately 28 GB-30 GB64GB Approximately 56 GB-60 GB128GB Approximately 120 GB-125 GBVendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB calculated, but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB. So there are some differences between display capacity and nominal capacity of flash memory products.