From what I gather, Mpow makes some pretty alright headphones at some pretty alright prices. The over ear Bluetooth model I've picked out here touts the simple feature of high quality sound.
Mpow says its closed-back headphone design delivers an immersive listening experience, with Hi-Fi sound coming from a CSR chip and 40mm driver. Adding to your enjoyment are memory-protein ear cushions for comfort during hours of wear, and a battery that lasts long enough to make hours of wear possible. In wireless mode the headphones' 420mAh battery supports up to 13 hours of music and 15 hours of talk time per charge. The latter also comes courtesy of a built-in microphone.
Mpow does make a point of say that these Bluetooth headphones are output-, not input-focused. That is, they are not active noise cancelling headphones, but passive noise isolating units. If you'd rather have headphones that also drown out the outside world, you can check out Mpow's H5 model. They're also over ear, reasonably priced heaphones.