please check this http://www.mobile01.com/topicdetail.php?f=14&t=653214
As I stated in the reply, it works fine for me and the C/P is highe.
The noise reduction function, voice volume auto adjust is a very good feature that need my need. I always work outside and drive bike, I can use this BT while on road, but mine previous one is suck. I love this one.