Description: Net Weight: 58g : Gold/Silver Capacity: 16GB Size: Approx. 55x42x15mm Length of Chain: Approx. 64cm/25.20 Fast data transfer rate--Read(): 12MB/sec Write(): 5MB/sec. 100% and high quality. Hot plug play Compatible with USB 1.1/2.0 Compatible with PC, Notebook, Coloulful aluminium alloy Design, make it elegant Store your pictures, videos, and songs and any kind of data. Easy to carry and not easy to lose for its innovative shape Windows 7 / 8,Windows Vista,Windows 2000, OS X, Linux. Small style and fashionable products, as an impressive gift for your beloved, friends or even customers. Please note: Different file types and running state of computers will lead a different read-write speed. Thank you for understanding. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a