Brand new never used. Still factory sealed. The Upgraded Audio Bluetooth Receiver by Reiie is an adapter designed for audio receivers, offering 3D surround sound with AptX low latency for an enhanced listening experience. This Bluetooth receiver is perfect for use in both home and car settings, providing seamless connectivity for your audio devices. The advanced technology ensures high-quality sound transmission, making it an ideal choice for music enthusiasts looking to upgrade their audio setup.