Description Material: real leather/artificial leather Color: various color option/customized leather color based on certain qty Logo treatment: silk screen/Laser engraving/Embossing A grade flash memory chip Plug-and-play - no need to install any software Flash memory capacity: 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB Operation systems: Win2000/XP/Vista/7, Mac OS 8.6-10.13.2 Shaking and electromagnetic interfering resistant Secure data storage for long lifespan: more than 10 years USB2.0 speed: write/read 5Mb/s, 15Mb/s USB3.0 speed: write/read 15Mb/s, 80Mb/s All models support USB2.0 selected models support USB3.0 12 months quality warranty Packing White box/plastic box/tin box/gift box Custom design box as per order demands. Export packing: PP bag-unit box-inner carton-export carton Delivery Shipping methods: DHL, UPS, FedEx and more. Delivery lead time: 7-10 days after payment confirmed