Necklace Case for Xiaomi Mi 9T (Pro) Cover with Neck Strap Phone Chain Case Crossbody Necklace with Cord Transparent Silicone Case with Adjustable Lanyard Case with Strap Cord. ✔ [Perfect compatibility]: It is only perfectly compatible with Xiaomi Mi 9T/ 9T Pro/ Redmi K20/ K20 Pro.
eBay