We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
The K3003 in-ear headphones by AKG are built with a stainless-steel architecture and model balanced armature drivers (3 per ear), and a tangle-free cable. This device also employs an in-line remote for users’ convenience.
3 per ear
Frequency Response Range
10 – 30,000 Hz