UltraFocus 6000i Headphones give you a superior listening experience. Made specifically for iOS devices, they feature an advanced Active Noise Canceling system. Coupled with Polk's superior technology, they tune out unwanted noises for high-quality sound.
The PC 141 from Sennheiser is a behind-the-neck, double-sided headset designed for gaming, internet telephony and other VoIP applications. Its robust microphone is excellent for voice recognition plus the headphones have noise cancelling technology.