I'm looking for a pair of Over-ear stereo headphones, or in-ear earphones, for listening to music through a PC and phone.   I already own a Razer Tiamat 2.2 headset, and I am extremely happy with it, but this is far too bulky for use outdoors.   After searching endlessly on amazon and other...

The specification page outlines the fact that they use Bluetooth 4.0 with the aptX codec, which compresses 16-bit "CD-quality" audio at a 4:1 ratio, resulting in ~350kbps.