Penguin Cartoon USB Flash DrivesFeatures:●Style: The small black and white Penguin made out of rubber. Included is a convenient cap holder, attachable to the drive with a small beaded chain, so you will never lose the cap.●Plug and Play - Simply plug the flash drive into your computer's USB port and the computer will automatically detect the device.●Compatibility - Compatible with most Windows and Mac Operating Systems. Driverless in Windows 2000, XP, Vista and 7, 8, 10. Compatible with all USB 1.1 and USB 2.0 devices.●Capacity - It is available:  128MB, 256MB, 512MB, 1GB 2GB, 4GB and 8GB, 16GB, 32GB, 64GB. Please note: for flash media devices, 1 megabyte = 1 million bytes; 1 gigabyte = 1 billion bytes. Actual useable capacity may vary. Some of the listed capacity may be used for formatting and other functions and thus is not available for data storage.●Performance - Writing speed is 3-10 MB/ s; reading speed is 10-20 MB/s.Specifications:materialPVCweight20gPackagepolybagData retention timeOver 10 yearsWriting cyclesMore than 1000.000 timesWarranty3 yearsCertificateCE FCC ROHSWorking temperature0-60 CInterfaceHigh speed USB 2.0Applications and service: Application: Corporate gifts, business gifts, Promotional gifts, Personal needs, Advertisement, Resell, etcService: Data freeload, Non-Erasable, Auto running, Encryption, Custom Icon Creation, Locked / Hidden contents