Fully wireless earbuds boasting high sound quality and 28-hour battery life. - Retail price: 14,990 yen (purchased February 2024) - Usage period: Used for just under a year (Due to purchasing wireless earbuds from another company) - Operation confirmed - All items disinfected with alcohol - Ear tips: S, L, M1, M2 (One M2 size ear tip is missing) * 500 yen discount if without the box. - Brand: soundcore by Anker - Model name: Liberty 4 - Waterproof rating: IP4 - Battery life: 28 hours - Connectivity: Bluetooth - Charging port: USB-C - Included accessories: Ear tips (different sizes) Thank you for viewing.