The UV320 is sleek and features a retractable USB connector that can be extended and retracted with a simple push of the thumb. The retractable connector eliminates the need for any protective cap. Capless quick-slide design: The USB connector is well protected within the compact body, so no cap is necessary. It is extended with the thumb and retracted for transport. USB 3.1 for efficient data transfer: Thanks to USB 3.1, the UV320 can transfer data at speeds of up to 5 Gbps for convenience and efficiency from a compact drive with simple plug-and-play. It is also backward compatible with USB 2.0. A flexible design with a loop holder: For added security and personalization, the UV320 features a loop holder for attaching to a wrist strap or keychain of your choice. Features: - Capacity: 128 GB - Dimensions: 55 x 19.5 x 10.2 mm - Interface: 3.1.