speaker disconnecting again and agin

I am having problem with my jbl clip 2 whenever I connect this to my Mac it connects and the sounds doesn't play on the speaker or the Mac but the speaker is connected the Mac .

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 0
crwdns2892346:0crwdne2892346:0