This Ultrbeka Bluetooth 6.0 receiver upgrades old stereo systems with a stable connection and a transmission distance of up to 20 meters. It features low latency technology and noise cancellation for high quality audio performance. The adapter includes functional buttons for volume and song control along with LED indicators. It supports dual device connections and automatically remembers up to five paired devices for quick reconnection. It is compatible with home theaters, computers, TVs, and Hi-Fi receivers using 3.5mm or RCA outputs.