Check the listing for details. Bulk Lot Mix Pcs U Disk USB 2.0 Key Memory Stick Thumb Pen Flash Drive Storage. Color: Multicolor, Condition: New. Listed at 9.00 USD. Bulk Lot Mix Pcs U Disk USB 2.0 Key Memory Stick Thumb Pen Flash Drive Storage Features:100% New&High QualityStorage Capacity: 128MB-32GB USB 2.0128MB approximately 100-120MB.256MB approximately 220-240MB.512MB approximately 470-500MB1GB approximately 950-970MB.2GB approximately 1.5-1.7GB.4GB approximately 3.5-3.7GB.8GB approximately 7-7.5GB.16GB approximately 14-15GB.32GB approximately 28-30GB. Support USB version 2.0 and 1.0Easy plug and play installationInterface: USB 2.0;Due to the inner system and procedure data will occupy some space and the real capacity will reduce lightlyStylish lightweight; portable,new concept modeling,classic fashion,compact BriskHigh Speed; plug and play, in line with USB 2.0 specification, data transfer speed.Compatible with Windows 7/Windows 8, Windows XP, Windows Vista, Mac OS 9.0,Hi-Speed USB 2.0 port required for high speed transferSupport solution for Linux kernel version 2.4 or later versionDriveless for OS 9X or upDurable solid-state storageNo external power is required 4.5V ~ 5.5V from USB portOperating Temp: -10 to +55Deg.CStorage Temp: -20 to +55Deg.CColor: Multicolor Package content: 5/10/20PCS USB Flash Drives Storage stick.