Earbuds are not hard to come by, unless you want a pair that doesn't sound like garbage without costing a minor fortune.
The maker has a whole range of wood earbuds, including the ALN, NRG, GLXY, and XTC, and they re all priced at $25, give or take a couple quarters.
The newest version also has volume control and an in-line microphone, eliminating the need to pull your phone from your pocket.
But I wouldn't at all say the bass is overblown or ridiculous, which is why you'll see the occasional criticism that the NRG 3.0 lack bass...because some people want a lot of bass, and you won't get that with these earbuds.
Instead, the audio is crisp and robust, and doesn't fall flat in the treble or distort in the bass.
These help isolate ambient noises, but they don't cancel them out, and nearby sounds will leak through if they're loud enough.