The Nokia HF-210 car kit convinces with good voice quality. As yet there has been no so-called Doppler effect during everyday use of the system. So to hear no echo in the background. Very long battery life. The included charging cable which is connected via the cigarette lighter is also suitable as charging cable for Nokia C6-00 Handy.Ob this is to be inquired previously at other Nokia models as well. Operation is simple. With one button push on for about 3 seconds to activate or deactivate it, the unit which then made immediately via an existing Bluetooth connection wird.Verlässt you the car turns the unit off automatically, thus conserving battery power. Good value I think that is excellent. If no ifs and buts to be recommended.