• Manufacturer: Audio-Technica • Model Name: ATH-CKS50TW • Type: True Wireless Earphones (Bluetooth compatible) Only the right earbud is available as the left one is missing. It works without any problems, but please note the following: • The case has a cover, and the cover has caused some discoloration on the case due to rubbing. • The inside of the earbud itself is cracked, but it works without any problems. • There are no issues with battery life or sound quality. • The earbud itself has some sun discoloration. Please purchase only if you accept these conditions. Returns and exchanges are not accepted.