headphoneTogg.py

#! /usr/bin/python

#improvement of Weslley S Pereira's script by Jacob Trock

try:
    # Python2
    import Tkinter as tk
except ImportError:
    # Python3
    import tkinter as tk
import os

v = "88_D0_39_6C_6E_AC"

def toggle(tog=[0]):
    tog[0] = not tog[0]
    if tog[0]:
        os.system('pacmd set-card-profile bluez_card.' + v + ' headset_head_unit')
        t_btn.config(text='Switch Mic Off')
    else:
        os.system('pacmd set-card-profile bluez_card.' + v + ' a2dp_sink')
        t_btn.config(text='Switch Mic On')

root = tk.Tk()
root.title('Toggler')


e = tk.Entry(textvariable=v)
e.insert(0, v)
e.pack()

t_btn = tk.Button(text='Switch Mic On', width=15, command=toggle)
t_btn.pack(pady=5)

root.mainloop()

Thanks, just for reference, use pacmd list-cards when the bluetooth headset is connected to find the value for v