A bash script that helps reliably connect to bluetooth headphones. Just bind the three possible inputs to different keyboard shortcuts.

pipewire-bluetooth-headphone-manager

#!/bin/bash

#sudo systemctl start bluetooth.service

connect() {

    bluetoothstatus=`bluetooth | cut -c 13-`
    
    if [ "$bluetoothstatus" == "off" ]; then
        bluetooth on
        sleep 2
    fi
    
    connectstatus=`bluetoothctl info 98:52:3D:7E:5D:DE | grep Connected | cut -c 13-`
    
    if [ "$connectstatus" == "no" ]; then
        bluetoothctl connect 98:52:3D:7E:5D:DE
    fi
    
    echo "should be connected to Soundcore Liberty 2"
}
    
disconnect() {
    bluetoothctl disconnect 98:52:3D:7E:5D:DE
    bluetooth off
}




if [ "$1" == "general" ]; then
    echo "general"
    connect
    pactl set-card-profile bluez_card.98_52_3D_7E_5D_DE a2dp-sink-sbc_xq
    pactl set-default-sink bluez_output.98_52_3D_7E_5D_DE.a2dp-sink
    pactl set-default-source alsa_input.pci-0000_00_1f.3.analog-stereo
fi


if [ "$1" == "headset" ]; then
    echo "headset"
    connect
    pactl set-card-profile bluez_card.98_52_3D_7E_5D_DE headset-head-unit
    pactl set-default-sink bluez_output.98_52_3D_7E_5D_DE.headset-head-unit
    pactl set-default-source bluez_input.98_52_3D_7E_5D_DE.headset-head-unit
fi

if [ "$1" == "internal" ]; then
    echo "internal"
    disconnect
    pactl set-default-sink alsa_output.pci-0000_00_1f.3.analog-stereo
    pactl set-default-source alsa_input.pci-0000_00_1f.3.analog-stereo
fi