UFSD Flash Drive: This UFSD USB flash drive utilizes the latest USB 3.2 Gen 1 up to 450MB/s, Greatly increase the read , our USB flash doesn't drop speed when used, other U-Disk are written from high to low speed, which seriously affects work efficiency Small and Key Chain Design:The UFSD thumb drives is so small and handy that you can put it in your pocket or purse.The end of the usb flash drive has a loop that can easily be attached lanyard,and for easy carrying,no need to worry about losing it. Safe and Durable:The high-quality alloy is used on the outside of the UFSD USB flash drives to ensure its sturdiness and anti-fall. so that its service life far exceeds that of other similar products, which makes you to store your data with more confidence Huge Compatibility: The powerful compatibility of the UFSD USB drive makes data transfer among various devices achievable, such as laptop, computer, tablet and etc.