I am selling an unopened item that I purchased used, as I have no opportunity to use it. It is still unopened, and the seal is intact. The box has some scratches and minor dents. Please purchase only if you understand that this is a used item. Wireless earphones with active noise canceling function. Up to 40 hours of battery life. - Brand: soundcore - Model Name: Liberty 4 Pro - Features: Active Noise Cancelling - Battery Life: Up to 40 hours - Waterproof Performance: IPX4 - Bluetooth Version: 5.3 Thank you for viewing.