Micro SD to Memory Stick MS Pro Duo PSP Adapter Dual Card – ASA College: Florida
58GB on PSP with Photofast CR-5400 + dual 32GB Micro SDHC - YouTube
Cr-5400 Two Slot Ms Pro Duo Dual Slot Adapater Transfer Micro Sd Tf Card To Memory Stick Pro Duo For Sony Psp Ps Camera Cr5400 - Memory Card Readers & Adapters - AliExpress
Photo fast CR-5400 memory TF to MS Pro Duo PSP Card Dual 2 Slot Adapter, View Photo fast, hzxdz Product Details from Shenzhen Hongzexin Electronics Co., Ltd. on Alibaba.com
a psp accessory that expanded memory on the cheap that i want adapted to a switch, heres a concept i quickly drew up. : r/NintendoSwitch