Dead easy, you just need one of these;
https://www.ebay.co.uk/itm/374816442272?var=0&mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338749392&toolid=20006&customid=GB_131090_374816442272.142841610237~1871563156263-g_CjwKCAjw_uGmBhBREiwAeOfsd4xcM3vshOaQLC6eKBrzTvGh6S_C6Y3KDGuwhIj3Kh37zQlx7HMMKRoCSLkQAvD_BwE
I have a sony Xplod head unit and my samsung android connects to it immediately for music and calls, no need for a mic.