The Clicks also has a programmable switch and notification light fwiw. Both are featured here. I don't know of they've confirmed whether the voice button will be reprogrammable but I doubt they'd lock it down like Samsung used to with the Bixby key...
Clicks has confirmed bootloader will be unlockable.
I don't think USB speeds have been confirmed yet.
while this is Clicks' first device
Worth noting they have shipped keyboard cases and accessories before so not totally new to production and design. But phones are a totally different space.
Personally MP02 looks nice but from what I can tell by holding mockups it still seems the Communicator will have the best ergonomics and most well thought out typing experience by far of any of these keyboard phones. The tall, spaced out keys., back bevel, and chin make it a better experience in the hands.
I look at MP02 as a digital minimalist phone first that uses the keyboard to that end. Clicks seems more like a company making the best possible keyboard hardware first and digital minimalism is more just marketing to hop on the trend and expand their niche market. That's not a knock on either.
Reviews will reveal the truth in the end.