I'm selling these because I lost the main earbuds! The case shows signs of use, so please understand. Liberty 4, fully wireless with up to 28 hours of battery life and IPX4 water resistance. - Brand: soundcore by Anker - Model Name: Liberty 4 - Included Accessories: Replacement ear tips (S, L sizes) - Features: Fully wireless - Battery Life: Up to 28 hours - Water Resistance: IPX4 Thank you for looking.