Noise Cancelling - If you do a lot of traveling, you have certainly been distracted by a neighboring infant that isn't have a very good day. These Sennheiser MM 550-X Wireless Bluetooth Travel Headphones offer the best of both worlds with the bluetooth capability and ability to eliminate more thatn 90% of noise in an airplane cabin.
Ear Buds - These Polk Audio ULTRA FOCUS 6000 Noise Cancelling In-ear Headphones offer the most advanced noise cancelling for an in-ear headphone. These are perfect for getting you in the zone...
Portable Headphones - Ultrasone PRO 900 S-Logic Surround Sound Professional Headphones is simply one of the best closed headphones money can buy. It has an incredibly versatile sound, with excellent dynamics, and of course its signature legendary bass; which just has to be heard to be believed and even understood. On top of its spectacular sound, is also its excellent build quality and better-than-average comfort. All of this makes the Ultrasone Pro 900 nearly too irresistible to pass up, especially if you favor the bottom end of the sound spectrum, in which the Pro 900 excels in more than any other headphone I've ever heard.
Over-the-ear - Audio-Technica ATHM50S Professional Monitor Headphones are designed especially for monitoring and mixing, but also collapse for portability and storage on the go. These over-the-ear headphones are better than many much more expensive sets out there, offering high quality sound at a reasonable price.