I bought these on special and have found them a BIG upgrade from my previous BT earphones. The battery life is very good and the sound is great. My only nitpick is that out of the four sizes of inserts supplied, none of them are a perfect fit for me. First world problems, huh

I got these as an alternative to my current JBL E25BT ear buds, which I found rather clumsy with the cable and middle battery pack. These support aptX BT streaming, much better sound when coupled with FLAC audio files.

Frequent connectivity issues, a lack of waterproofing, and less than stellar sound make Sennheiser's CX 7.00BT in-ear wireless earbuds difficult to recommend. There are other more capable earphones available--many of which we've reviewed--that would be a wiser investment.

Lightweight; Stylish design; 10 hours of runtime between charges

Thin earbud wires prone to microphonics; Poor passive noise cancellation; Water resistance claimed; but no IPX rating provided; High frequency audio can sound a bit shrill

In North America, Sennheiser is best known for its professional-grade monitor headphones, microphones, and the sort of speakerphone hardware that you'll find in an upscale office environment.

￡80ish for a smashing sounding set of Bluetooth headphones. Does exactly what the doctor ordered. Full charge lasts me well over 10 hours. Cant fault them. The only con is the wee ouch itscome with to store them. A nice little case would've been much better.

Having researched the options and spent ages comparing brands in-store, I went back to a trusted name and have not regretted it. The sound quality is excellent - meaning not just quality of playback but the effective attenuation of ambient noise through well-designed in-ear cups, bearing in mind...