Sennheiser MOMENTUM 4 Wireless Headphones - Black Bluray DVD & CD Players Home Audio 4GHz connection within 30 meters

4GHz connection within 30 meters of the PartyBox

Easy glide castors

3 GHz Dual-Core Processor

Expert ready

Sennheiser MOMENTUM 4 Wireless Headphones - Black Bluray DVD & CD Players Home Audio 4GHz connection within 30 metersA dramatic update and upgrade over the previous generation, the black MOMENTUM 4 Noise Canceling Wireless Over Ear Headphones from Sennheiser trades in the classic design and folding body for a sleeker, more modern look and fold flat earcups. More importantly, the battery life has drastically improved by nearly four times to up to 60 hours with both Bluetooth and adaptive noise cancellation on. Audio quality is still on the high end with Sennheiser's