I have a pair of Bose QC 35s that I've had for years and whilst I agree connecting to the iPhone is crisp. I have been to hell and back trying to get them to wo

I have a pair of Bose QC 35s that I've had for years and whilst I agree connecting to the iPhone is crisp. I have been to hell and back trying to get them to work well with my Macbook. Problems with them not pairing, the audio quality suddenly going terrible or them just dropping out.