The Widi Bud connects automatically after a couple of seconds. I don’t need to do anything. If I want to connect the Blocks to my iphone instead I have a couple of seconds to connect to the phone after the blocks have powered up. If not, the Widi Bud automatically connects instead.
With a lot of midi data, typically when I play two-handed chords with all expressive parameters turned on it starts dropping data, resulting in hanging notes, for instance. My guess is this starts happening at around 5-6 simultaneous notes, but not sure exactly. Sysex made the Bud crash when I experimented with that, but that was before a firmware update addressing it. Not sure how it would work now.