Credit Card OTG USB Flash Drives1. Detailed Info● Material: ABS Plastic● Capacities: 8GB, 16GB, 32GB, 64GB● Interface: USB 2.0 Stick / Micro USB● Imprint Options: Full Colors Printing● Size: 83mm x 52mm x 2mm● Hardware Supported: Android Smart Phone with OTG Function, Tablet PC, PC, Notebook● Colors: Original White, Custom Logo Printing Acceptable2. Strong compatibility● 100% compatible OTG function smart phones with Android 4.0 above● Compatible with other OTG devices based on Android 4.0 or above system● Compatible with PC / Notebook USB3.0 or 2.0 interface3. Credit Card OTG USB Flash Drive for Android Smart Model PhonesDesigned for Android smart phones R & D, to enhance the capacity of the phoneDual interface configuration for computer and phonePlug and play, no driver needed4. Both Sides ImprintRequire logo file format in AI, CDR, PDF, EPS, JPG, PNG, the better file you have, the better print quality we can do.