New Sound bar Replaced Remote AKB73575401 AKB73575421 fit for LG NB3520A NB3520ANB NB2420A NB3250A NB 3250A. NB3520A2, NB3250A NB3530A NB3532A NB3530ANB NB4530B Sound bar New Replaced Sound bar Remote control AKB73575401 AKB73575421 fit for LG sound bar This is not original remote, but function is same as original, each key is same as original, no need any program, only put into new battery can work well! USA Seller, quick shipping! Some knowing working model as below: NB3520A NB3520ANB NB2420A NB3250A NB 3250A. NB3520A2, NB3250A NB3530A NB3532A NB3530ANB NB4530B