Jewelry heart USB flash drives System requirements: Hardware: IBM PC and compatible PC, Notebook or Macintosh with USB port Operation system: Microsoft Windows 98/SE/Me/2000/XP and above Driver installation: only required for Microsoft Windows 98/SE Function characteristics: Capacity: 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, and 64GB USB connection: supports Plug-and-play function and hot-swap capability USB interface: USB 2.0 (USB 1.1 and 1.0 compatible) Data retention: ≥10 years LED indicator light Physical characteristics: Operating temperature: Samsung flash: -10 to +55℃ Other flash: 0 to +55℃ Storage temperature: Samsung flash: -20 to +55℃ Other flash: 0 to +55℃ Operation relative humidity: 20 to 90% (40℃) Storage relative humidity: 20 to 93% (40℃) Dimensions: 13 x 7 x 0.5cm Weight: 30g Package: blister Color: all colors EMI compliance CE, FCC