Used Anker Soundcore Liberty 4 true wireless earbuds. They are currently functioning properly with good sound quality. They have been lightly cleaned with alcohol. Please check the photos for details on the accessories and condition. 【Main Specifications and Features】 Bluetooth 5.3 compatible, stable connection High-quality sound with Anker's proprietary A.C.A.A 3.0 coaxial dual dynamic drivers (9.2mm + 6mm) Ultra Noise Cancelling 2.0. Automatically adjusts to ambient noise 3D audio (head tracking compatible) for enjoying spatial sound Health monitoring features such as heart rate monitoring and posture reminders Maximum playback time: Approximately 9 hours with the earbuds alone, up to 28 hours with the case Supports fast charging and wireless charging (USB-C) Waterproof rating: IPX4 (earbuds only) Supported codecs: SBC / AAC / LDAC (LDAC only supported on Android) Weight: Approximately 5.8g (per earbud), approximately 55g (including case) Color: Midnight Black Operation confirmed. Battery is also in good condition. Please refrain from purchasing if you are sensitive to used items or are looking for a new item. 【Accessories】 Main unit Charging case Ear tips (unused) A separately sold silicone cover is also included. We are looking forward to your purchase if you understand that this is a used item.