High-quality product, the price corresponds to the quality.
One of the best wireless mice in the class of 2500-7000. Correct work on bluetooth. Can be used as an everyday mouse with a laptop. I recommend to buy.
Pros
Sympathetic mouse from a normal company. The plastic is pleasant, the design is strict, compact, the weight is decent, two modes of operation (via Usb dongle and pure bluetooth). Several sensitivity modes, a couple of additional low-noise buttons. Free space next to the wheel - easy to clean. Easy to remove cover for battery change and dongle storage.
Cons
Eats batteries a little faster than competitors. There is no charging like on good logitechs. Not really needed 200-300 MB program for setting up in win and mac, which blunts in mac.