Those are not mouse's they are hands free conference call systems used in conference's and meetings. Kind of like this https://www.aliexpress.com/item/33013264084.html the exact type is quiet hard to find since the logo is blocked out and you can't see it.
Those are Smart Microphones devices used in video conference you can extend those for larger conferences with up to 20 people in the room. Smart Microphone attenuates echo and background noise you can connect one or two extra microphones depending on the size of the room.
like this one
https://voip.world/KONFTEL-Smart-Microphone-for-Konftel-800-and-C50800-Hybrid
Polycom SoundStation Connect is a USB-based conference phone that delivers superior audio performance from a computer for small to midsize conference rooms.
it a Polycom SoundStation Connect conference speaker phone. check the link to see for your self. https://www.google.com/search?q=Polycom+SoundStation+Connect&client=ms-opera-mini-android&biw=360&bih=500&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjAidH4mLr2AhXQiP0HHYj4AFwQ_AUIBigB&biw=360&bih=500#
If you look at the monitor on the left side, there is a screensaver of the outside of the Kremlin. Putin's job is to monitor the going's on outside and press the green or red button to change the traffic signals.
It looks like those are conference microphones, specifically this one from Polycom.
https://www.poly.com/us/en/products/video-conferencing/accessories/hdx-microphone-array
They're used for clearly picking up sound from a distance, like how Putin is sitting far away from them.
they are hands free conference call systems used in conference's and meetings. Kind of like this https://www.aliexpress.com/item/33013264084.html the exact type is quiet hard to find since the logo is blocked out and you can't see it.