The black thumb drives have a storage capacity of 32GB and a dual-drive design. These drives are factory refurbished direct from Sandisk and have never been used. TheSanDisk 32GB Ultra Dual Drive m3.0 (SDDD3-032G) is a compact USB flash drive featuring both a USB 3.0 Type-A and a Micro-USB connector, designed for easy file transfers between Android smartphones, tablets, and computers.
eBay