Sennheiser MM100 bluetooth stereo headphones + microphone:

after seemingly successful pairing to the Jolla, the Sennheiser has crashed.
No more blue light on the headphone, also not when connected to it's USB charger. May need battery removal (tedious)
Note that Jolla media player when directly launched after pairing to the MM100 played at max volume and the Jolla's volume rocker did not control the volume any more.

BAD

Nokia Play 360° Bluetooth NFC speaker:

NFC does not wake the speaker most of the time.
One time Jolla NFC woke the speaker
But it does not initiate the BT connection automatically
This after previous manual BT pairing (speaker known to Jolla)
Speaker works normally when connected manually by Bluetooth.
Volume control by speaker or by phone.


For the always-on-battery-leeching-NFC I did hope to get better use out of the NFC.

So so