Swiggy — Plantronics Wireless Mouse

I bought a Plantronics Wireless mouse on Swiggy Instamart today. When I opened the pack and tested, it didnt worked. When I call swiggy, they are asking me to reach out to Plantronics.

Ethically, if a product is not working on the first attempt itself, then it should be returned or replaced. Swiggy is asking me to reach out to Plantronics for support as defects are being handled by the Brand.

This is technically not a defect, rather a non functional product which should be handled by the seller.

Swiggy is saying that they are just delivery partner. But the product was sold on Swiggy instamart and I purchased it on their site. If they are delivery partners, I should have used Swiggy genie to get the product. Rather, I bought it directly from Swiggy instamart. IF they do not have return policy, why are they selling electronic products in their site.

I request you to help me on this case to initiate a return and refund on the same.