peoneer@funny-milk:~$ dmesg | tail
[22563.456107] usb 3-1: USB disconnect, device number 4
[22566.812061] usb 3-1: new full-speed USB device number 5 using uhci_hcd
[22566.986175] usb 3-1: New USB device found, idVendor=062a, idProduct=3286
[22566.986183] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[22566.986188] usb 3-1: Product: 2.4G Keyboard Mouse
[22566.986193] usb 3-1: Manufacturer: MOSART Semi.
[22566.993214] input: MOSART Semi. 2.4G Keyboard Mouse as /devices/pci0000:00/0000:00:1a.0/usb3/3-1/3-1:1.0/input/input19
[22566.993395] hid-generic 0003:062A:3286.0009: input,hidraw0: USB HID v1.10 Keyboard [MOSART Semi. 2.4G Keyboard Mouse] on usb-0000:00:1a.0-1/input0
[22566.998549] input: MOSART Semi. 2.4G Keyboard Mouse as /devices/pci0000:00/0000:00:1a.0/usb3/3-1/3-1:1.1/input/input20
[22566.999618] hid-generic 0003:062A:3286.000A: input,hiddev0,hidraw1: USB HID v1.10 Mouse [MOSART Semi. 2.4G Keyboard Mouse] on usb-0000:00:1a.0-1/input1
Судя по логам, мышку Ubuntu видит.