Reddit reviews Logitech G-Series Replacement Receiver for G700 Mouse

Logitech's Dongle

Logitech's low latency gaming dongle

Most modern bluetooth Dongles

Most modern Wifi dongles

I am incredibly disappointed is the sheer size of the Steam Controller's dongle. It's huge compared to most modern counterparts. The best modern dongles are small enough to leave in laptop while on the go, but not the Steam Controller. The best devices are both Dongle and Bluetooth; the built in bluetooth dongle that is part of my computer is unarguably more a "compact form factor".

The Steam Controller's dongle not in any way a "compact form factor".

Edit: I would like to point out that I understand WHY it's large. But that doesn't mean it isn't "large". That's like trying to claim an industrial grade truck isn't huge because it carries so much. It's still huge, but it's huge for a reason and trying to claim it's "compact" would be just lying.

In case anyone is in the same boat. I lost my dongle almost 2 years ago and have been using the mouse wired since then. I purchased the dongle but didn't know you needed to sync it using the connect utility here. So, today, I brought my tablet to work, launched the utility, followed the instructions and BAM instantly working like new! Link to dongle