This Sabrent OTG card reader is no bigger than a standard USB flash drive. One end has a USB 3.0 Type-C port and the other end has a USB 3.0 Type A port. Both sides include caps so they're ...

The EagleTec USB NanoSac Micro SD Card Reader measures just 25 x 17 x 7mm and weighs in at a tiny 2g. Despite its small size, it packs a punch in terms of functionality and performance.