Been in the car since we got it and no probles it’s only arrived today so i’ll update the review of the operational side changes in use but first impressions are what a great little bit of kitwhilst it isn’t particularly clear in description it does do what i thought it would which is play music or internet radio from my phone via a bluetooth connection to this device then transmit it through the car speakers via fm to an empty frequency you can chooseif you have an older car which one of mine is without so much as an aux connection never mind bluetooth or a usb socket this solves your problem of music internet radio and hands free calling in the car brilliant