I compare with its predecessor, the "ClearChat" Logitech. (Also wireless retired, because accidental destruction :))
+ Toggle switch next / previous song
+ Convertible to bluetooth
+ USB charging cable instead of stand-alone solution
+ Battery replaceable
+ Compartment for USB receiver is in headphones next to the battery (for transportation)
+ Play / stop / hang-up (phone calls)
+ Earpieces are open through the foam down, you can hear through the headphones even faint sounds beside him
+ Very good voice quality
- Excessive noise at Bass in the music (compared to its predecessor, which had a surprisingly good sound.
Because some do not report of this weakness, but this can also be a production error on my device be)
- The Mute indicator on the micro (in the form of a red LED) with the predecessor, has been removed in this model. Too bad, was very handy
- The Micro is not when folding ge-expected, as its predecessor
- The mute can be heard talking as cracking for all those present. That was not the case with its predecessor
Conclusion: The operation has been improved by a number of new buttons and features over its predecessor,
in matters Microfonsteuerung the device, however, has unfortunately deteriorated.
By good Micro, the device is perfect for conferences, music is there but unfortunately with the crackling and noise in light for Bass
I reached the limit. therefore, only 3 out of 5 stars.