I purchased jbl t210 on june 15... And I changed my house and lost the invoice bill... Now my product have no bass (complaints).. I need to replace... I go back to lulu connect and I say for replace... They asking invoice bill... I lost that... And I ask for duplicate invoice. And they (saying only getting duplicate invoice after purchased of 3 month.) this is not possible... I need replacement... Purchased on june 15 2019. Product serial no:- kt0055-cj1767877 My mail id:- [protected]@gmail.com Mob no:- [protected]