Cordless keyboard and mouse battery status

[Lucas Sábalo]

Hi, I have a cordless keyboard and mouse working on my ubuntu and I
wonder if there is a way to get the battery status.
This is the info of the devices:

I: Bus=0003 Vendor=046d Product=c70e Version=0111
N: Name="Logitech BT Mini-Receiver"
P: Phys=usb-0000:00:1a.1-2.2/input0
S: Sysfs=/class/input/input19
U: Uniq=00076195669A
H: Handlers=kbd event1
B: EV=120003
B: KEY=10000 7 ff800000 7ff febeffdf ffefffff ffffffff fffffffe
B: LED=1f

I: Bus=0003 Vendor=046d Product=c70a Version=0111
N: Name="Logitech BT Mini-Receiver"
P: Phys=usb-0000:00:1a.1-2.3/input0
S: Sysfs=/class/input/input20
U: Uniq=00076195669A
H: Handlers=kbd mouse1 event2
B: EV=f
B: KEY=7fff 2c3027 bf004440 0 0 fff0001 f80 8837c000 667bfa d941dfed
9e0000 0 0 0
B: REL=1c3
B: ABS=1 0

Thanks.