Sony Micro Vault Tiny 4 GB USB 2.0 Flash Drive with Virtual Expander USM4GH/T2 Sony's smallest USB flash drive Pre-loaded with Virtual Expander software for up to three times the storage capacity Fun, stylish, ultra-compact design available in 512 MB, 1 GB, 2 GB, and 4 GB Capacities Plugs directly into USB 2.0 and 1.1 ports Versatile, clip-on carry case included