Won’t turn on

Hi, can anyone help. I have a JBL PartyBox 310 that shows as fully charged but won’t turn on. Have tried the power button soft reset (10seconds) and also the + and play button reset as well and still nothing.

Many thanks

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0