These are BOSE QUIETCOMFORT EARBUDS wireless earphones. I purchased them when they were first released in September 2021. I used them as my main earphones for commuting, about 2 hours a day, until the next generation model came out. After that, I continued to use them as PC microphone earphones during the COVID-19 pandemic. The music function, charging, and pairing all work without any problems. I am selling them now because I have consolidated to the latest model. The filter on the left earbud has peeled off (see photo), but I think it won't be a problem when using them with the ear tips. All accessories are included. There is some wear and tear, but if you don't mind, please consider purchasing them.