2: K780 Multi-Device Keyboard
     Codename     : K780
     Kind         : keyboard
     Wireless PID : 405B
     Protocol     : HID++ 4.5
     Polling rate : 20 ms (50Hz)
     Serial number: 4D71FEE1
        Bootloader: BOT 25.00.B0005
          Firmware: MPK 01.00.B0018
             Other:
     The power switch is located on the edge of top right corner.
     Supports 31 HID++ 2.0 features:
         0: ROOT                   {0000}
         1: FEATURE SET            {0001}
         2: DEVICE FW VERSION      {0003}
         3: DEVICE NAME            {0005}
         4: WIRELESS DEVICE STATUS {1D4B}
         5: RESET                  {0020}
         6: unknown:0007           {0007}
         7: BATTERY STATUS         {1000}
         8: CHANGE HOST            {1814}
         9: unknown:1815           {1815}
        10: REPROG CONTROLS V4     {1B04}
        11: unknown:1C00           {1C00}
        12: NEW FN INVERSION       {40A2}
        13: ENCRYPTION             {4100}
        14: KEYBOARD DISABLE       {4521}
        15: unknown:4531           {4531}
        16: LOCK KEY STATE         {4220}
        17: unknown:00C2           {00C2}
        18: unknown:1803           {1803}   internal, hidden
        19: unknown:1806           {1806}   internal, hidden
        20: unknown:1805           {1805}   internal, hidden
        21: unknown:1813           {1813}   internal, hidden
        22: unknown:1830           {1830}   internal, hidden
        23: unknown:1861           {1861}   internal, hidden
        24: unknown:1890           {1890}   internal, hidden
        25: unknown:1891           {1891}   internal, hidden
        26: unknown:18A1           {18A1}   internal, hidden
        27: unknown:1DF3           {1DF3}   internal, hidden
        28: unknown:1E00           {1E00}   hidden
        29: unknown:1EB0           {1EB0}   internal, hidden
        30: unknown:18B0           {18B0}   internal, hidden
     Battery: 90%, discharging.
