Bluetooth makes dongle-free use practical, and at least one Mac-focused reviewer found the lack of a receiver unproblematic because pairing remained easy and broad.
Pros: motion consistency, left and right click quality
Cons: switch durability, onboard memory
The missing bundled Logi Bolt receiver is a recurring annoyance, especially at this price and for people who prefer USB connectivity. Bluetooth works well enough that some users may never...
Pros: motion consistency, programmable buttons
Cons: palm grip comfort, hand support