crwdns2933897:0crwdne2933897:0

Headphones charges but not connect

On my beat studio 3 headphones it charges well and the lights go on but they cannot connect to my Bluetooth and cannot hear music etc, please help, thanks

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0