Thank you for viewing. This is the soundcore Liberty 4. This item is being sold as a defective product. I purchased it from an electronics retailer, but the right earbud is broken, and only the left earbud works properly. I don't know the cause. Please feel free to ask any questions if you have any concerns. ※Please feel free to comment if you have any questions. Non-smoker, no pets. Please be aware that this is a used item (＞ Please understand that returns are not accepted to prevent any trouble m(_ #ANKER #anker #ANKERearphones #noise canceling earphones