1. High-performance chip, longer life and safer data storage. 2. The USB 3.0 interface greatly increases the data transfer speed, greatly improving the efficiency of reading and writing large amounts of data, without installing drivers, plug and play. 3. Shockproof and waterproof. 4. Integrated piercing, hanging steel ring, reliable, easy to carry. Parameters: 1. Product material: zinc alloy. 2. Interface type: USB 3.0 interface. 3. Size: 22x12mm.

http://olla.gr/zsuit-64gb-usb-3.0-mini-metal-ring-shape-usb-flash-disk/