For the first time, unpacking the drying materials is not quite a matter of writing. Just follow the routines of others and it will be a simple matter. If there is anything wrong, please point out and appreciate it. Article head map source network. Take a photo with your mobile phone.
ForewordAlways wanted to buy a Bluetooth & active noise reduction headset, this type of headset on the market is quite small, considering the Tianlong gc20, bose qc35, Parrot Zik series, but has not been selected down, suddenly found Sennheiser released An upgraded version of pxc450 pxc450, itching for several days finally orders.
Out of the boxThe front of the box, a little bump, it is estimated that the time caused by transport
On the back of the box, with anti-counterfeiting mark 
Side, touch the legend on the right side of the headset and the accessories table 
Open the cover and expose the storage box directly, it is quite concise
Storage box, quite elegant workmanship
Loading instructions 
Open the storage box to reveal the true face, with nfc logo on the left
Accessories in pouches in storage box
Accessories: Headphone cable, USB charging cable, Aircraft adapter and 6.5 adapter
Pay attention to the red dot at the turnaround point. When the earcups are flat and in the storage state, the earphones will be automatically turned off. When the earcups are switched to the use state, they will be automatically turned on. This design is very good.
Positive and negative headphones
Workmanship of the headset is very good, it should be better than qc35 (and not used qc25qc35, just according to the online map guess)
Right side has a headphone jack, a micro-usb port for charging, a button to control the sound, and a switch to control noise reduction
As far as the touch control of the headset is much the same as most touch-controlled headsets, there is no need to comment on it.
The wear is still relatively comfortable, just good for my ears, and it does not chuck. The overall headset is very light, wearing a long time and will not be tired.
Active noise reduction effect! Although I have not used bose noise reduction, I have also used some other noise reduction products. This is the best I have ever seen. I believe bose will not be much better if it is even better. Although it didn't take long, I took delivery to write this article only half a day, but its noise reduction effect really made me amazing.
The music effect of the benevolent people see it, after all, Bluetooth active noise reduction headphones is not used to quietly enjoy hifi music, but out of the street or used in a noisy environment, is for convenience.
Since you haven’t used it for a long time, just share it for a short time. If you have the opportunity, explain the instructions in detail later.
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