Sennheiser HD 4.50 SE Wireless Noise Cancelling Headphones – Black (HD 4.50 Special Edition) (Renewed)

Sennheiser HD 4.50 SE Wireless Noise Cancelling Headphones – Black (HD 4.50 Special Edition) (Renewed), Brought to you By SENNHEISER.

NoiseGard actively reduces environmental sound, taking your audio experience up a notch

Frequency response: 18-22,000 Hertz Impedance: 18 ohm

Bluetooth 4.0 and aptX technologies drive pristine sound quality.

Bolsters a bold 19 hour battery life with Bluetooth and NoiseGard activated. Hardwire capable for battery free listening.

Ear cup mounted controls provide convenient handling of calls or changing tracks