... Quality Promotion Ceramic 8GB Gift USB ceramic material.good USB chip 2.0,256MB-128GB,accept OEM SGS,CE,ROHS,FCC USB ... ,4GB, 8GB, 16GB, 32GB,64GB,128GBUSB InterfaceUSB 1.0,1.1 or 2.0 Hardwarecompatible with PC , Notebook and Macintosh with USB ... :non-brand chipset.Both A and B with full capacity,Samsung chip is the best.Certificate CE,ROHS,FCCMemory Capacity256MB,512MB,1GB ...