Sennheiser Noise-Canceling Headphones (PXC 250 II)

Sennheiser's headphones can cancel up to 80% of droning ambient noise to give owners a more peaceful experience when traveling or being forced to attend their little sister's middle-school jazz-band concert. The lightweight headphones create highly detailed sound with a small emphasis on bass, making them perfect for use with portable media players.

Product number: PXC 250-II
On-ear, collapsible mini headphones
Audiophile-grade performance
Sennheiser NoiseGard technology
Neodymium magnets and Duofol diaphragms
Metal-reinforced headband
Inline volume control
Closed design
Function as normal headphones without NoiseGard activated
Noise-canceling feature powered by single AAA battery
Battery life: 50 hours of music on one AAA battery
Impedance: 300 Ω / 160 Ω
Frequency response: 10–21000 Hz
Sound pressure level (SPL): 112 dB
Weight: 12.8 oz.
Dimensions: 3.1" (L) x 7.9" (W) x 4.9" (H)
Two-year warranty from Sennheiser