This is a gift and is a new, unused item. I opened it for the first time to take photos. Regarding the product description and selling price, I am not familiar with this type of product, so I have attached the information provided by Mercari's AI. I have never used wireless earphones myself, so please obtain detailed information online. Thank you. Lightweight wireless earphones with Bluetooth 5.0, long battery life, and waterproof function. - Brand: Aukey - Model Name: EP-T16S - Bluetooth Version: Bluetooth 5.0 - Waterproof Function: Waterproof - Battery Life: Long battery life - Included Items: Charging case, replacement ear tips, USB cable - Features: Can be used with one earbud, lightweight, portable - Color: Black Although this is a new, unused item, it is being sold as a used item. Please purchase only if you understand that it is a used item. No claims and no returns, please. Thank you for looking.