sennheiser mm 500 x bluetooth headphones

sennheiser mm 500 x bluetooth headphones Sennheiser's MM 450-X ($449.95 direct) is a headphone pair that seemingly does it all. It's wired, it streams wireless Bluetooth audio, and has active noise cancellation circuitry. From an audio standpoint, the MM 450-X offers excellent performance whether wired or in Bluetooth mode.