Huawei's NM cards try to shrink down the micro-SD for some reason
Huawei P40 Pro & Nano Memory Card - How to Insert, X ray photos - YouTube
NM Nano Memory Card Micro SD Card Reader USB 3.1 for Huawei Mate 20Pro/20X P30 | eBay
Huawei Honor 5X Nano SIM and microSD Card Tray Replacement - Black – Repairs Universe
BIWIN Storage Technology Authorized By Huawei for NM Cards - BIWIN Storage Technology
NM Card di Huawei: i test mostrano prestazioni da MicroSD - Evosmart.it
Amazon.com: JJC Huawei Nano Memory NM Card Reader Writer, USB 3.0 USB-C Type-C to NM Nano Memory SD MicroSD Card, Data Transfer Speed up to 90MB/S for Huawei Smartphone and Laptop :
Xiwai USB-C Type C/USB 2.0 to NM Nano Memory Card & TF Micro SD Card Reader for Huawei Cell Phone & Laptop Card Readers - Newegg.com
Cheap Huawei NM cards available on Aliexpress - Gizchina.com