I have also purchased another pair of wireless earbuds, and after opening both and trying them at home, I found that these didn't suit me, so I am selling them. They have been opened, but are practically new and all the contents are included. The LARK MAX 2 is a wireless lavalier microphone system that offers ultimate control. - Brand: HOLLYLAND - Model Name: LARK MAX 2 - Type: Wireless Lavalier Microphone System - Features: Ultimate Control Thank you for looking.