High-resolution audio compatible, IPX4 waterproof true wireless earbuds. - Model Name: Liberty 4 - Brand: soundcore by Anker - Waterproof Rating: IPX4 - High-Resolution Audio Support: Yes - Battery Life: 28 hours - Case Condition: Minor scratches - Earbud Condition: Good Used for about a year. There are areas where the case plating has peeled off. Spare silicone ear tips are included, so you can use them without any problems. Thank you for looking. #Anker #Soundcore #SoundcoreLiberty4 #Liberty4 #Anker #WirelessEarphones #TrueWireless