Thank you for viewing this product out of many others. I hope you like it and that we can have a pleasant transaction. This is a Green House GH-ERBTA-BK Bluetooth 5.0 compatible mono headset. I purchased it, but I'm selling it because I don't usually use it. It comes with the box and spare ear hooks, but the box is partially damaged. Bluetooth connection has been confirmed. It has been stored at home and has no noticeable scratches, but please contact me if you have any concerns. Features: * Bluetooth 5.0 compatible, allowing for wireless calls * Enjoy calls, as well as music from your smartphone and YouTube * Lightweight and slim body, weighing only 6.5g * Easy operation with touch sensor * Compatible with both right and left ears * Allows for approximately 4 hours and 30 minutes of talk time on a full charge * Includes an ear hook for comfortable use over long periods * Supports multi-pairing * Equipped with an auto power-off (10 minutes) function