Black Liberty 4 earphones offering fully wireless functionality and up to 28 hours of battery life. - Brand: soundcore by Anker - Model Name: Liberty 4 - Color: Black - Features: Fully wireless - Noise Cancelling: Yes - Battery Life: Up to 28 hours - Water Resistance: IPX4 Thank you for viewing. The case is missing, so this is a sale of the main unit only. All parts of the main unit are included. All replacement ear tips are unused.