I purchased this item on Amazon this September, but I haven't used it, so I'm putting it up for sale. This product is new and unopened. All accessories are included. Wireless earbuds with ultra noise-canceling function and up to 40 hours of battery life. - Brand: soundcore - Model Name: Liberty 4 Pro - Noise Canceling Function: Ultra Noise Canceling - Battery Life: Up to 40 hours - Bluetooth Version: Bluetooth 5.3 - Features: Active Noise Canceling Thank you for viewing.