Official Apple iPhone6 charging case

I'm selling a used iPhone6/6s smart charging case since I upgraded my phone. It's the same as this case: https://www.walmart.com/ip/Apple-Smart-Battery-Case-for-iPhone-6s-and-iPhone-6-Charcoal-Gray/50809047

This case was amazing when I had my iPhone6s since it could charge it 2-3x when fully charged and is still quite slim. Used for about a year, and has some scratches on one corner (shown in picture).

Pickup on campus or East Palo Alto. I can accept Venmo, PayPal, or Apple Pay.