FIFINE Studio Wired Headphones for DJ, Music Monitor, Recording with 9.8ft Cable for 3.5mm/6.35mm, Over Ear, Noise Cancelling for Podcast, Streaming-H8

The FiFine wired "Studio" headphones arrived well packaged and undamaged. Inside the shipping box was the retail box for the headphones, containing the headphones a fairly pointless pamphlet explaining how to plug in a cable and how to use the headphones with your computer. There is zero mention of noise cancelling and for good reason. There are no active electronics in these headphones. They are passive only, direct wired headphones. The stated 20Hz-20kHz seems plausible though at 32 ohms resistance I find that doubtful. The ear pads and earpieces do seem to contain the audio well so if you need a pair of headphones for recording in a quiet environment, these will do nicely. Forget using them in a noisy environment. They provide almost no noise blocking at all, so, if you're a musician and need to monitor what the recording sounds like while playing an instrument, these will not do the job. Still, for the price, podcasters or those who just want to listen to audio material in reasonable quality, these are a good choice. Included in the box: Headphones 2 coils audio cables, 1 with a 1/4 inch stereo plug and the other 3.5mm plugs on both ends the care and use pamphlet a shipping sheet. External noise cancellation only exists in as much as the padded ear pieces block some outside noise. There is no built-in microphone not facility to install one. The frequency range as stated above is supposed to be 20Hz to 20kHz but I have not tested and honestly, both extremes are outside the average persons ability to hear anyway. There is no twist lock feature so if you were hoping to secure the cable or anything else that feature does not exist on these headphones.