Credit card style USB flash, extra slim design with waterproof brand USB chips, can be easily put into your wallet Make your USB drive totally unique by customizing your content, any logos/photos/pictures/texts available A-grade flash memory chip Plug-and-play no need to install any software Flash memory capacity: 1, 2, 4, 8, 16, 32, 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 High-speed of data reading and writing: read 6-15MB/s, write 3-8MB/s All models support USB 2.0 selected models supports USB 3.0 Logo treatment: silkscreen, doming, laser engraving, digital printing We provide 12 months quality warranty Packing: Bulk packing/white box for standard models Gift box/blister box based on customer's needs Custom design box as per order demands Export packing: PP bag-unit box-inner carton-export carton Delivery details: Shipping methods: DHL, UPS, FedEx   Delivery lead-time: 7-10 days after payment confirmed