I too get frequent disconnects. Even while using the mouse.
Microsoft Sculpt Touch Mouse
Ubuntu 16.04
Linux malina 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[18241.592480] hid-generic 0005:045E:077C.000D: unknown main item tag 0x0
I too get frequent disconnects. Even while using the mouse.
Microsoft Sculpt Touch Mouse
Ubuntu 16.04
Linux malina 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[18241.592480] hid-generic 0005:045E: 077C.000D: unknown main item tag 0x0