This was 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'm not familiar with this type of product, so I've attached the information provided by Mercari's AI. I've never used wireless earbuds myself, so please obtain detailed information online. Thank you. Wireless earbuds with a quad-microphone array for clear calls. - Brand: Tronsmart - Model Name: Onyx Ace - Connectivity: Wireless - Microphones: Quad-microphone array - Battery Life: Up to 24 hours - Design: Pressure-free design - Charging Port: USB charging port Although it is a new, unused item, it is still a pre-owned item, so please purchase only if you understand that. No claims and no returns, please. Thank you for looking.