Specification:Brand: RemaxCapacity: 64GBDisk chip: Samsung made in TaiwanMaterial: Metal and plastics Transmission version: 2.0Writing Speed: 7.25MByte/sVerifying Speed: 21.3MByte/sFeature:Support system: Win 2000 / XP / VISTA / 7, Mac, OS Made of metal alloy, nice touch feeling, not easy ..