The HamiltonBuhl® Active Noise-Cancelling Headphones are specially-designed to deliver superior noise-cancellation by actively reducing harmful and annoying low frequency sounds in noisy environments. The deluxe, over-ear cups with soft cushions deliver passive noise suppression as well. Together, the passive and active noise-cancelling technology creates a quiet, soothing environment to focus on the audio in your headphones or have some peace with no sound.

The active noise-cancelling (ANC) circuitry runs on one "AAA" battery (not included) and comes with a zippered carry case for protection and easy storage.Featuring an adjustable padded headband and a removable 5' Dura-Cord™ that can be swapped out for a 5' Dura-Cord™ with an in-line microphone to turn your headphone into a headset. Headset Dura-Cord is sold separately (NCHBC2).

With it's active noise-cancelling technology, the NCHBC1 is ideal for use with Chromebooks, PCs, Macs, and any unit with a 3.5mm stereo headphone port.

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Specifications:

• Design: Deluxe, over-ear, active noise cancelling up to 15dB-20dB
• Cushions: Leatherette
• Headband: Adjustable, padded
• Plugs: 3.5mm TRS with 180° angle (Plugs to Ear Cup End) and 3.5mm TRS with 120° angle (Plugs to Audio Source)
• Cord: 5' Removable Dura-Cord
• Speaker drivers: 40mm
• Frequency Response: 50Hz-20KHz
• Impedance: 32Ω
• Sensitivity: 100dB ±4dB
• Max. Input Power: 100mW
• Battery: One (1) AAA (not included)
• Storage Bag: Semi-hard zip-up case
• Prop 65 Compliant
• Warranty: 1 Year