I made the mistake of creating a new topic with the information below so am copying it here, where I hope it has a bigger audience.
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I make heavy demands on my P90’s, for Teams calls and streaming, from a variety of laptops, an iPhone and a desktop PC at home. The laptops and iPhone all seem to work well, except that sometimes the P90’s don’t automatically reconnect after being away, but that’s a story for another day.
My biggest issue in these days of working from home was finding a Bluetooth dongle for the USB3 port on my desktop PC.
Initially, I looked around for a dongle that had Bluetooth 5.2 but these seem to not exist (yet)? The ASUS USB BT-500 seemed to have the best spec.
It was a disappointment. The sound was interrupted every 5 seconds or so by a “spit” sound and varying lengths of silence.
I also already had a Sennheiser BTD 500 USB. Also unsatisfactory with the P90s but worked well with my headphones.
Since these adaptors are inexpensive (at least compared to a Phonak HA!), I then bought a range of adaptors to try to find one that worked.
Next up was the Edimax Bluetooth 5.0 Nano USB adaptor. Similar issues to the ASUS, only without the spitting sounds.
Last try was the Avantree DG80 USB Audio Transmitter (external). This is a slightly different type of product to all the others, which are general purpose Bluetooth adaptors. The Avantree device shows up as a sound device when inserted. The main thing is - it works. The sound quality is good, there are no spits or breaks and I can reliably call with Teams or listen to streaming.
The Avantree does have one inconvenience. It does not respond to the normal Windows volume control! To change the volume, it’s necessary to start the Windows Sound Mixer applet, locate the program producing sounds (i.e. Chrome or MS Teams) and reduce the volume there. A minor but annoying characteristic!
Brief specs from the box: BT 5.0. Bluetooth profiles A2DP, AVRCP, HSP, HFP. Codecs aptX Low Latency, FastStream, aptX, SBC.
Price, around $25, as are all of the adapters I mentioned except the Sennheiser, which is expensive!
I have no idea why this is so hard - whether it’s the Bluetooth stack in the P90s, the firmware in the adaptors or Windows 10, but am happy I have a solution.
I hope this is of use to others. Feel free to ask questions.