Compatible Models: Universal compatibility with a wide range of audio devices, TVs, computers, and mobile phones. Color: Black Material: ABS & Metal Alloy 1. Universal Connectivity & Premium Build: This versatile Bluetooth audio adapter is designed for broad compatibility, seamlessly integrating with legacy speakers, audio systems, amplifiers, mixers, DVD players, desktop computers (Windows 7/8/10/XP, macOS), and mobile phones (Android, HarmonyOS). Transform older wired devices into modern Bluetooth-enabled systems. Constructed from ABS and durable metal alloy for long-lasting performance and a sleek appearance. 2. Audio Interfaces & High-Fidelity Sound: Supports AUX and RCA analog outputs, plus digital coaxial and optical inputs. Delivers high-resolution audio up to 192kHz/24bit. Gold-plated connectors ensure reliable signal transmission and clear, immersive sound. 3. NFC Pairing & Dual Device Support: Features NFC one-touch pairing for compatible Android and HarmonyOS devices. Supports simultaneous connection to two Bluetooth devices for seamless audio switching and stereo playback. 4. Legacy Device Integration: Converts wired speakers, home audio systems, TVs, and desktop computers into wireless Bluetooth audio sources. Enables wireless headphone use for late-night viewing without disturbing others and reduces cable clutter. 5. Controls & Playback: Includes LED display and RGB ambient lighting. Equipped with intuitive buttons for power, mode selection, and volume control. Supports direct playback from USB flash drives (up to 64GB) with decoding for MP3, FLAC, APE, WAV, ALAC, and M4A formats.