PULWTOP SD Card Reader USB C, 5Gbps 2-in-1 SD Card Reader to USB Adapter, for SD SDHC SDXC MicroSD Compatible. usb-c dock and will be 4K @30Hz

and will be 4K @30Hz if two HDMI display simultaneously

Dual downstream USB-C ports support 10Gbps data transfer + up to 30W charging each (or 60W max when using only one)

2 generation USB-A port and USB-C port

But on original M1/M2/M3 Macs are limited to a single display only

PULWTOP SD Card Reader USB C, 5Gbps 2-in-1 SD Card Reader to USB Adapter, for SD SDHC SDXC MicroSD Compatible. usb-c dock and will be 4K @30Hz5Gbps Data Transfer Speed This USB hub splitter 3. 0 syncs data at blazing speeds up to 5Gbps, which is more than 10 times faster than USB 2. 0, fast enough to transfer an HD movie in seconds. COMPATIBILITY Memory card reader compatible with Windows system , Mac OS system , Linux and Android. Support SD, MMC, SDHC, DV, Micro SD, T Flash card. Plug and Play Memory card reader for phone and laptop, which can be transmitted through the SD card reader