super tiny waterproof usb flash 16gb pen drive 32gb 64gb 8gb 4gb mini usb2.0 u disk memory stick

​super tiny waterproof mini usb flash drive 16gb pen drive 32gb 64gb 8gb 4gb mini memory stick usb2.0 u disk memory stick.features:.supports plug play, high speed usb 2.0 port.no physical drive required.support all current computer systems.speeds vary depending on types of file being transferred and computer configuration..read rate: 12mb-18mb/s write rate: 4-6 mb/s.excellent usb memory stick in excellent condition.capacity:.4gb 3.6gb-3.8gb.8gb 7.4gb-7.6gb.16gb 14.4gb-14.8gb.32gb 28.5g