Amazon.com: NEON MicroSD to Memory Stick PRO Duo Dual slot adapter (microSD/microSDHC) : Electronics
2-in-1 Dual Micro SD Switcher for Raspberry Pi | The Pi Hut
My million dollar solution to this two dual card slot issue we see a lot of lately. Two micro SD cards fit nicely in the surface area of an SD card. Add
Dual-Slot microSD Memory Card Reader | ProGrade Digital