Heart shape USB flash drive small and light, design as a beautiful crystal pendantEasy to wear, just worn on the neck as a useful and elegant necklace Both sides integrate the magnet, hold each other tightly, prevent the lid from falling, made of metal material, anti-vibration , Anti-electromagnetic interference, waterproof, Keep your files safeUSB 3.0 enabled data transfer speed: Write speed 6 MB or S Read speed 15 MB or S. Transfer your data quickly and easily between devices. Suitable for all USB 3.0 ports that are standard in computers Windows 98 or 98SE, Me or 2000 or XP, VISTA, 7 Mac: OS 9.0 or 10.0 or higher Linux: Kernel 2.4 or higherWe pay attention to product details in order to deliver high quality USB flash drive. Beautiful heart shape pendants as well as built-in data storage pen drive to creatively design a usbful and decorative necklaceMeet people's intentions for storage needs and aesthetic pursuits. Some of the listed capacity on a flash memory device is used for formatting and other functions and is therefore not used for data storage available. Therefore, the actual available capacity for data storage is less than the capacity stated on the productsOur special design of USB memory stick that is easy to distinguish from others, that is pretty cool for your own use or as a novelty gift for Family, friends, and even significant othersNote:Due to different light and display, the actual color may be slightly different from the picture. Thanks for your kind understanding. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.