Custom Mini Credit Card USB Flash Drive Business Card Pendrive (EC017) Product Specification 1. USB interface: Hi-speed USB 2.0,patible with USB 1.1 2. Capa: 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB 3. Custom logo service: Available 4. Function: Plug it into any USB port, it looks and functions just like another hard drive 5.