Hi, I just ordered mine so I can’t say anything about bluetooth support, but I will try it as soon as mine will arive 
About the power supply: The MusicStore is suggesting this power supply for the Organelle (https://www.musicstore.de/de_DE/EUR/MUSIC-STORE-Netzteil-1000-mA-AC-DC-schaltbar-universal/art-ACC0001678-000;pgid=ar1gare8kHVSRpYA9JqiUdy60000o2l3dAOY). Don’t now if the 1500 MA makes a difference .-.
Here the product page where they suggest that supply (https://www.musicstore.de/de_DE/EUR/Critter-Guitari-Organelle/art-SYN0005034-000;pgid=ar1gare8kHVSRpYA9JqiUdy60000o2l3dAOY).
More Info in this thread also: Organelle world usage question