Looking for wireless headphones for great sounding music, with Active Noise Cancellation, the latest Bluetooth tech and enough battery life for a flight around the world, but that wont cost the ear are for you. Hybrid Active Noise Cancelling - Want to keep your listening and calls free from background noise? Thanks to hybrid ANC, M600B do just that. Feed Forward mics identify external sound, the internalso you can focus on your listening. XBS Deep (eXtra Bass System) tech and efficient 30mm drivers mean that M600B reveal your music with clarity and power. Enough to give you an extra up for the day. You could fly around the world in 65 hours, which is how long M600B last on a single chargeand thats with ANC on. Want to travel for another 6 hours? A 15 minute charge with t you there. With padded adjustable headband and swivel ear cups, M600B headphones are made to be enjoyed. While your ears are snuggly cocooned, and ANC is doing its job, youll keep the world out so and call