I've been using it for a few months now. I bought these to replace my free Bose sounds in favor of better audio quality and lag-free video. Both specs are true and commendable - they're by far the best sound quality I've gotten from fully wireless headphones, and there's no noticeable video lag (there's a very small amount, but honestly you can't tell by watching). Video). My biggest issues are the connectivity and the battery which has brought my rating down to 2 stars. The charging case looks and feels good, but the earbuds aren't always recognized as being placed inside. This causes 2 problems: battery drain and not being able to play audio from my phone when needed. As for the first issue, the battery life of these earbuds often gets a lot shorter than advertised because they're constantly in my backpack and connected to my phone while I was under the impression that they're charging in their pocket. Accordingly, I often try to simply surf social networks with my phone, but I hear no sound. That's because the headphones are still plugged in and the sound is being carried around in my backpack or somewhere else. After all, these headphones can only remember one device at a time. If you want to use your laptop and phone, you'll have to re-pair each device every time, which is a big downside on the market (AirPods and Bose Soundport are free, and I think others are). If you're spending money on wireless headphones, I recommend looking elsewhere. Again, the sound quality is amazing, but the connectivity issues are so bad it's not worth it. PS: Others have pointed out these issues, but Sennheiser has not released any software/firmware updates since its release. Not a good sign, because Bose has already released some updates.
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