As others have stated, continuous, daily, Bluetooth disconnects throughout the day. I've used Samsung Note 10+ and S21. Disconnects equally between the two. When connected, I love the way they work. The worst part is, you don't know the Bluetooth has been disconnected until you get a phone call. When this happens, I either put the person on hold to repair the aids or take the call without using the heating aids. Very disappointed considering these cost $3,000. Please fix.