I cannot speak highly enough about this speakerphone accessory for my Ericsson phone. I had been using the ear &quot;bud&quot; previously, but got tired of fumbling it into my ear while driving.The sound quality is very clear and plenty loud. My R280 phone automatically switches to &quot;handsfree&quot; mode. It uses the microphone on the phone and everyone tells me that they can hear me perfectly while speaking at a normal volume, facing forward (I usually put the phone on the passenger seat). You cannot place the phone within about 12-15 inches of the speaker or callers hear their speech &quot;echoed&quot; back to them.If I had to complain about something, it would be the high price. But given the improved safety of using a hands-free system, I was happily willing to purchase one for me and a second one for my wife.