Review on Sennheiser HD 4.50 BTNC Bluetooth Wireless Headphones Featuring Active Noise Cancellation in Black and Silver by Amit Kumar (Amit) ᠌

The sound quality is excellent. Haven't found a good replacement yet. One big minus is that over time, a frenzied creak of plastic appeared in the movable joints, which is enhanced by noise reduction. Pros: Sound quality noise reduction Work on the wire when discharging No problem connecting to devices Conveniently swivel that you can listen even when lying on your side Has cons: Doesn't work when charging Plastic creaks when worn in motion After 30 minutes, the ears begin to hurt from the fact that not a full-sized cup Ears sweat The quality of the microphone leaves much to be desired. The interlocutor hears everything around and almost does not hear you.