Sony Power Bank — Old material and the hear phone is damaged

Address:	08701
Website:	www.itechdeals.com

I applied MI power bank with hear phone on 23.06.2017. But you sent to Sony power bank with hear phone. The Sony power bank is already used very old material and the hear phone us damaged (didn't use). My order is case on delivery type, I paid the amount RS.599/-. My order number is DKD[protected]. How to replace the product and how to return the product to you. Kindly do the needful..