ULTRA-FAST: 15 times faster than USB 2.0 drives; A USB 3.1 Gen 1 / USB 3.0 port is required on host devices for optimal read/write speed; Compatible with USB 2.0 host devices at a lower speed. The read speed is up to 420Mb/s and the write speed is up to 300Mb/s, based on internal testing under controlled conditions. Actual read/write speeds also vary depending on devices used, transfer file sizes, types, and other factors. HIGH-QUALITY STORAGE: Perfect for storing Full HD/4K videos and movies, high-resolution photos and any other type of data. Compatible with USB 3.0 flash drives and USB 2.0 flash drives SUPER SECURE: The portable telescopic design prevents the USB flash drive from being damaged while not in use. PLUG AND PLAY SYSTEM: No installation required, you can use the USB memory right out of the box The actual storage capacity displayed by your device's operating system may be less than the capacity indicated on the product labeling due to different measurement criteria. Available storage capacity is greater than 230 GB. Please check the extended storage requirements of your devices (eg game console) before using them. Built-in encryption,Send lanyard