I use the Blackwire 720 extensively when working remotely from my office. It works well with Cisco UC Integration for Microsoft Lync and my IPhone when working. So it makes it very functional to keep moving forward in my day with communicating on both communication devices. The sound quality is great and the microphone is excellent for others to hear me. This is what is most important to me since my job is about communicating with others daily by voice besides my multitude of email traffic. The headband is a leather band that keeps it very comfortable on my head. Also, I like the carrying case to keep them in good condition especially when I travel. So if you want a good working solution for a headset that blocks distractions around you for sound of others or your work environment, you can't go wrong with the C720. I did see the C725 that has stereo capability however, I noted it does not have dual function between cell phone and PC. I can live without the stereo since the sound quality is very good for what it was designed for.Read full review
Verified purchase: Yes | Condition: Pre-owned
Does exactly what I expected it to do, works with Lync and BluStar from the laptop and via Bluetooth for my phone. Switch calls between the 2 sources with no issues. I just wish that I was able to pair with 2 phones. Excellent product!!! Sound quality hearing and speaking (so I am told) is good...
Verified purchase: Yes | Condition: New
Overall excellent functionality: sound, connectivity to two sources, ease of installation. If there's one thing I'd fix, it's the fit. It could be a bit more comfortable for use over long durations.
Verified purchase: Yes | Condition: Refurbished
This is my second one, I would've love when unplugging the cord .. call continues when they are from Lync but it's ok..
Verified purchase: Yes | Condition: New
find these headsets comfortable for longer periods than the C320
Verified purchase: Yes | Condition: New
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