Hi-FI Fashion Noise Cancelling Headphone Headset w/Case

Noise canceling (Up to 80% external noise cancellation.)does much to eliminate noise in the higher frequencies. Their real strength is in elimination of mid and lowers frequency ambient noise, like road noise in a car or train, highway traffic, crowd or machinery noise, or the drone of an airplane's engines?
Audio:sound quality and noise canceling performance are good. The cover the ear design blocks out a lot of noise even before they are turned on.
With a carry gift box, it is easy for you to take it to anywhere.
Reduce Ambient Noise: The noise-canceling circuit achieves this with a phase-canceling process, providing a noise reduction of 16.5dB at 200Hz .
Built-in monitor switch: To hear surrounding sound without taking off the headphones.
Premium case: Protect your headphones with a quality case.
Ear conscious design: For premium wearing comfort.
Uni-match and in-flight plug, carrying case supplied.
Flat foldable design.
Actively reduce unwanted ambient noise.
Up to 80% external noise cancellation.
Dual-use capability with or without noise cancellation.
Noise Cancelling and Common Wired Headphone available.
Supplied plug adaptors to be used in airplane.

Specifications:

• Driver Unit: 40mm Dynamic Speakers.
• Detachable stereo audio cable.
• Frequency response: 20-20,000Hz
• Noise reduction: more than 12dB at 300Hz
• Sensitivity: 108dB/1mW(power-ON),110dB/1mW(power-OFF)
• Input impedance: 53��(power-ON), 64��(power-OFF)
• Driver unit: ��40 mm mylar cone speaker
• Power supply: 2��R3(AAA)
• Battery life: Appro��50 hours (using Managese AAA battery) Appro��100 hours (using Alkaline AAA battery)
• Varies depending on operating conditions
• Mass: 158g (5.57 oz) 145g (5.11 oz)

Package Details:

1. 1 pcs headphone
2. 1 pcs Audio connect line with 3.5MM jack plug
3. 1 pcs Dual plug adaptor (for in-flight use)
4. 1 pcs User Manual
5. 1 pcs EVA case