1.Cartoon style 8GB, 16GB, 32GB, 64GB USB flash drive. 2.USB 3.0, compatible with USB 1.1 and 1.0 3.High-speed transfer performance. 4.Great to store your image, music and other data. 5.Plug and play. 6.Easy to store and carry for transferring large files. 7.Good gifts for your friends or yourself. Storage Capability: 8GB, 16GB, 32GB, 64GB (NOTE: Capacity Not expandable) Color: as shown in the picture Operate temp: 32°-140°F (0°-60°C) Net Weight: 40 g / 1.42 oz Size: 41 x 27 x 23 mm / 1.61 x 1.06 x 0.91 inch Note: To avoid data loss or mechanical damage, do not power down your computer or unplug flash disk during transferring. H2testw testing tools for the end, no errors found.