Sennheiser Momentum 2 Wireless is Sennheiser's best bluetooth, noise cancelling headphone (was formerly HD1 Wireless). They fit over the ear and fold. Momentum 2 Wireless have great battery life, class leading sound quality, light weight and premium leather/steel materials for a great daily use headphone. They feature Sennheiser's latest noise cancelling tech, providing effective noise cancelling for lower frequencies with no ear fatigue.
The bluetooth is 4, has apt-x for better wireless sound quality with android and computers and NFC for quick pairing with compatible (non-apple) devices. With bluetooth and noise cancelling on, the battery life is rated at a stout 22 hours.
The sound quality is one of the best sounding noise cancelling - bluetooth headphones available. They can be used wired with the power off and retain excellent sound quality as a wired headphone. Comfortable for hours of use at a time, with little clamping pressure, light weight and soft lambskin earpads filled with memory foam.