Designed to enable 8 kHz (8000 Hz) polling rate for the M7/M7 Pro/A7 Pro mice in wireless mode (or wired + wireless for some versions) when paired with the correct receiver.
Works with tri‑mode connectivity mice (USB‑C wired, 2.4 GHz wireless, Bluetooth) from the M7/A7 series. 
Utilises a Realtek high‑performance chipset for providing stable wireless performance with minimal latency. 
Promoted as compatible with the A7 series and M7 series, where the listing shows “Stepped up to 8K receiver” option.