CHUYI Vintage Heart Key 16GB USB 2.0 Flash Drive Metal Pen Drive Memory Stick Waterproof Flash Drive Cute Thumb Drive For Computer Tablet PC Notebook Laptop Mac Unique vintage copper heart key design, metal material, good heat dissipation, ultra-small, mini-shape, 3.15*0.63*0.27 inch, easy to carry and can use it at any time Creative heart key thumb drive design: easily attach to keychain, briefcase, purse, backpack, etc., make it available all the time, perfect gift to your friends Using USB 2.0 interface and compatible with USB 1.1, high read and write speed, low power consumption,save the data security long Plug and play, no external power supply required, perfect for keeping all of your documents, videos, music and photos handy. System: Windows 7/8/98/SE/ME/2000/XP/Vista,Linux 2.4/Mac OS 9.2 or later Warm Tips: Due to the special shape, it maybe have a little tight, just need to plug it a few times, it will be loose, don't worry, my friend, it won't damage you computer, we have test it before we send it out, it is ok. You can be assured of the quality of our products