256MB USB Flash Drive Bulk 50-Pack with Lanyards, USB 2.0 Swivel Thumb Drives (BLACK 256MB*50PCS)

Pack of 50 256MB USB flash drives, each supplied with a lanyard — a simple solution for storage and backup. The metal swivel housing can be rotated 360 degrees to protect the connector and make the drive easy to use. True Plug and Play: insert into a USB port — no software installation required. Compatible with Windows / Linux / Mac OS and works with USB 2.0 and below. Performance: read speed is 15-20mbp/s, and the write speed is about 10mbp/s. The frosted metal cover helps hide fingerprints, and a built-in hole lets you hang the drive on the included lanyard or attach it to a key chain.