These are NOT SDHC.
eBay
NFC Drawer Door Lock Invisible Electronic Cabinet Wooden Lock IC Card Lock Keyless Smart Hidden RFID IC Card Digital Locker
Aliexpress UK
ExFAT for SDXC cards 64GB and above. FAT32 for SDHC cards up to 32GB. Compatible with devices that support Micro SD or SD cards including. Class 10 U1 UHS I rated cards where applicable. Minimum write speed 10 MB per second on Class 10 cards.
eBay
Aqara Smart Door Lock NFC Card Support Aqara Smart Door Lock N100 P100 Series App Control EAL5+ Chip For Home Security NFC Card
Aliexpress UK
ExFAT for SDXC cards 64GB and above. FAT32 for SDHC cards up to 32GB. Compatible with devices that support Micro SD or SD cards including. Class 10 U1 UHS I rated cards where applicable. Minimum write speed 10 MB per second on Class 10 cards.
eBay
5YOA RFID Card Reader Writer 125KHz Frequency ID Tags Copier Duplicator EM4305 T5577 Key Card Keyfob Programmer Indicator
Aliexpress UK
•256GB ≈ 230GB – 238GB. Ideal for storing photos, videos, and other data. (Not suitable for smartphones or devices requiring Micro SD). • Advertised speed refers to themaximum achievable speed. Speed Notice.
eBay
5YOA 13.56MHZ Copier Duplicator Cloner RFID Emulator NFC IC Card Reader Frequency 125Khz Writer Access Control Card Duplicator
Aliexpress UK
Enhance your mobile life with Kingston's microSD removable memory card. This versatile card expands the memory capacity of feature-rich mobile phones. Store more of your own collections of music, movies, video clips, pictures, ring tones and more. With Kingston's microSD card, your mobile content is no longer tied to your phone. Share your content collections with friends, family and colleagues easily with this removable storage solution specifically designed for mobile phones with expansion slots. Kingston's microSD memory card also helps you move data between phones. If you're changing service or upgrading your handset, the microSD lets you easily transfer phone lists, settings or ring tones. Its ultra-small size consumes very little power from your handset, to give you longer battery life on your phone.
eBay
5YOA Handheld RFID 125KHz 13.56MHz NFC IC Card Reader Writer Copier Duplicator Cloner for Access Control Card Tag Duplicator
Aliexpress UK
Identical in physical size to a standard microSD card, the microSDHC and microSDXC cards are designed to comply with SD card Specification and are only recognized by microSDHC or microSDXC host devices.
eBay
RFID Access Card Replicator Handheld 125kHz RFID ID Card Cloner Programmer Duplicator Portable Practical Keychain Copier Reader
Aliexpress UK
Micro SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed. The Micro SD card speed is based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.
eBay
RAYKUBE V1 Tuya BLE TT Lock Smart Electronic Door Lock with DIY Cylinder Core Fingerprint APP Keys IC Card Unlock for Home Hotel
Aliexpress UK
Low quality device will 100% slow down card speed,1MB=1000KB.
eBay
IP67 Waterproof Backlight RFID Metal Door Access Control Reader Keypad 1000 Users 125KHz EM Card door opener
Aliexpress UK