#get output device name
pacmd list-sinks | grep name: | awk '{print $2}' | sed 's///g'

#get input device name
pacmd list-sources | grep name: | awk '{print $2}' | sed 's///g'

#update device name
pacmd 'update-source-proplist  device.description=""'

#example
pacmd 'update-source-proplist alsa_input.usb-0d8c_C-Media_USB_Audio_Device-00.mono-fallback device.description="USB MIC"'

#add to config file
vim  ~/.config/pulse/default.pa
.include /etc/pulse/default.pa
update-sink-proplist alsa_output.usb-Jieli_Technology_USB_Composite_Device_425030463632320A-01.analog-stereo device.description="Sound_Bar"
update-sink-proplist alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo device.description="USB HEADSET"
update-sink-proplist alsa_output.pci-0000_00_1f.3.analog-stereo device.description="Internal Sound"
update-source-proplist alsa_input.usb-0d8c_C-Media_USB_Audio_Device-00.mono-fallback device.description="USB MIC"

#Using FZF
device="$(pacmd list-sources | grep name: | awk '{print $2}' | sed 's///g'|fzf --prompt="Select Device: ")"
read -p "Enter New Name: " name
pacmd "update-source-proplist $device device.description=\"$name\""