16GB Swivel Jewellery Jewelry USB Flash Pen Drive Disk Memory with Swarovski Crystal Elements Simulated Diamond Crystals and Key Ring Great Gift (Ricco &reg; 12-033) Swarovski Crystal Elements Simulated Diamond Crystals and Key Ring , Metallic Body Swiel Design, Sliding USB male tip will fold in or retract when not in use. Make the ideal gift for anyone who needs to move around different computers. Compatible with Windows 2000/XP/Vista/7/8, MacOS 10.4 or later Dimension: 40 x 10x 7mm, Weight: 26g (approx.)