General description Upgrade your audio experience with the Bluetooth 5.3 Audio Transmitter Receiver. This versatile device features a high-performance Bluetooth 5.3 chip for low-loss data transmission, ensuring quick response and stronger anti-interference capabilities. It allows you to connect various devices through AUX, red and white Lotus, digital optical, or U disk interfaces, making it perfect for older speakers or amplifiers that lack Bluetooth functionality. Enjoy seamless U disk playback with plug-and-play convenience, and benefit from a built-in signal gain amplifier for stable connections up to 10 meters without delay. Technical specifications Bluetooth version: 5.3 Bluetooth transmission distance: 10m Frequency: 2.4GHz Operating voltage: 5V Interface: 3.5mm stereo input jack Working time: up to 5 hours Dimensions: +/- 1-3cm measurement error Compatibility and accessories Compatible devices: cell phones, tablets, computers, speakers, amplifiers Package Contents: 1 x