Small and lightweight heart-shaped USB flash drive, design as a beautiful crystal pendant. Comes with a pearl necklace. Easy to carry, just wear it around your neck as a useful and stylish necklace. Built-in magnet on both sides to prevent the lid from falling off. Made of metal material, anti-vibration, anti-electromagnetic interference, waterproof, keep your files safe. USB 2.0 enabled - Data transfer speed: write speed 6MB/s; 15MB/s read speed. Quickly and repositionably transfer your data between devices Compatible with all standard USB 2.0 ports in Windows 98/98SE, Me/2000/XP, Vista, 7 computers; Mac: OS 9.0/10.0 or later. Linux: Kernel 2.4 or later We pay attention to product details to provide high quality USB flash drive. Test before shipping.