Featuresr premium sound and voicer provide a high quality wireless connection and able to transmit sound and data quickly and reliably with lossless sound qualityr easy operationr with a single button the multi function button you can play and pause music skip forwards or backwards answer and hang up the phone or even activate siri voice control functionr hands free functionr the built in microphone and car stereo system enable you to answer and reject phone calls with the hands free fun