Multi-function interface: Smart life is more convenient and rich in interface expansion to meet the needs of different devices. It has rich interfaces, multi-device expansion, and supports various audio interfaces. Wired audio/amplifier: Upgrade to experience Bluetooth function, connect ordinary speakers, and have Bluetooth music playback and HIFI shocking sound quality experience. Support U disk playback: Enjoy lossless sound quality experience, U disk plug and play, built-in high-definition audio decoder, no driver required, support lossless music playback. Wireless infrared remote control: 5-10M fast and barrier-free, with infrared remote control, support volume adjustment signal switching/song switching operation is more convenient and quick. Upgrade Bluetooth 5.3: refuse delay and refuse jamming, equipped with high-performance Bluetooth 5.3 chip, low-loss data transmission, fast response, stronger anti-interference, say goodbye to delays, jamming and other problems. Product model:T500 Transmission distance:10-30 meters (barrier free) Power supply interface:type-c Power supply parameters:DC/5V Input interface type:coaxial/AUX/USB/Bluetooth/microphone Output interface type:Double Lotus (RCA)/AUX Colour:Black Material:Aluminum Alloy Package Contents: 1 * Audio Receiver Adapter 1 * Remote Control 1 * 3.5MM Audio Cable 1 * RCA Audio Cable 1 * Coaxial Audio Cable 1 * typc-c power cable 1 * English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.