Segon series of mini-Ding compact design for easy carrying, and can even be used with notebook without having to remove so that you couldn't forget where it is. Features: 1.Segon Mini-Design. 2.Ready Boost support Speed up System. 3.One elastic cap design. 4.High-tension weave strap. 5.Size: 21.2 X 14.7 X 6.9mm (L x W x H); Weight: 2.5g. Ready Boost: Yes USB Specification: USB 2.0 Features: 1. Segon Mini-Design. 2. Ready Boost support Speed up System. 3. One elastic cap design. 4. High-tension weave strap. 5. 21.2 X 14.7 X 6.9mm (L x W x H) 2.5g Parts: 5 years limited Labor: 5 years limited