These headphones aren't bad, but they're not great either. They are comfortable and block out noise if you wear the right earbud. The sound quality is fair. I sometimes have an earphone that fails and also the sound comes out in pieces which makes me think of pixelation in the picture. That's probably the best way I can describe it. The battery life is exactly as described. They last an average of 4 hours and charge in less than 15 minutes. I prefer longer battery life, but that's not a problem. You can use one at a time or both. The case is excellent, it opens and closes so the headphones don't fall to the floor if you drop them. However, it is very small. Some people will find it difficult to follow. I use mine every day. They are affordable. Update: I added a star to this review because Lenovo contacted me after reading this review and offered me a pair of replacement earbuds. Thank you Lenovo Customer Service Team.
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