Questions about Logitech G G604 Lightspeed

I don't understand what the difference is to 13093110. Same product, different price, different delivery times. Please ask Digitec for clarification.

Is the mouse no longer in production? According to toppreise.ch, no dealer has it any more.

Hoi zäme, since some people had problems with the mouse early on, I would be interested in your long-term experience with the Logitech G604. For those who have had it for more than 2 years, does it still work properly for you?

Logitech no longer has the G604 in its range on its homepage. And you can hardly get them in stores any more. Is it a discontinued model? Is there a successor?

I am looking for a replacement for my aging Logitech G700s. Application CAD, so I need additional programmable keys like the G700s had. G604 would be a possibility, but the product is already a few years old and is still supported for how long...? Can we expect something new? Mandatory: Wireless, battery ideally Li-Ion, Ergonomics similar to G700s / MX Master etc. (for me, there is only something from Logitech on the table...)

Can rechargeable batteries be used without loss of function? (1.2V AA rechargeable batteries)

It says that the connection is via Bluetooth. Does that mean you can also connect it directly to the computer without connecting the USB adapter?

Are the glides at the bottom of the mouse also available as a spare part?