1GB 2GB 4GB 8GB Metal Roating Flash Drive USB2.0 U Disk Specification: Convenient to carry and use Low Power Consumption. Easy to read and read in high speed No drivers Required No need drive， only plug in No need power supply style and fashionable Compatible with PC， notebook， MAC More convenient and efficient for saving and transmitting documents， speeches， music and video contents Capacity: 1GB \/ 2GB \/ 4GB \/ 8GB Speed: Writing Average - 6-12MB\/Sec， Reading Average - 9-22MB\/Sec Interface: USB 1.1\/2.0 Color: silver tone Size: about 37x 16 x 6 mm Package Included: 1 x USB Flash Drive