1.High speed USB 2.0; 2.Various colors are available; 3.Low price, good quality. SpecificationsWrist USB memory driver: 1.High speed USB 2.0; 2.Various colors are available; 3.Low price, good quality.Wrist USB memory driver details:(1)Unit Size:210*7*17mm(1)Unit Size:195*7*17mm(2)Color:black, blue, orange(3)Material: Silicon(4)Weight:30g Main Spec.:(1)Portable USB falsh drive;(2)Plug and play, ...