Specifications Hign-concerned Chemical:None Support Memory Card:No Support Apt-x:Yes Support AAC:No Model Number:BT-A15 Package:Yes Feature:None High Definition Support:None Content:AUDIO WIFI Standard:None Wireless Type:Bluetooth Sound Track:Double Interface:3.5 MM,Type-C Origin:Mainland China Certification:CE Tebe Optical Coaxial Bluetooth 5.3 Audio Receiver Wireless Stereo Music Adapter U Disk Player with Mic IR Rmote Control 1.Bluetooth 5.3 audio receivers,experience faster pairing, stable connections, and superior audio quality with the latest Bluetooth 5.3 technology. Compatible with a variety of smart phones and tablets, mainly to help wired audio, amplifiers and other devices receiving audio, to solve the inconvenience of wired devices 2.Multi-Interface Compatibility,equipped with optical (fiber), coaxial, and audio output ports, this receiver is compatible with a wide range of devices, including TVs, soundbars, home theater systems, and more. Its versatility makes it the perfect bridge between your audio sources and playback systems. 3.Karaoke-Ready with 6.3mm Microphone Input,unleash your inner superstar! The built-in 6.3mm microphone input allows you to connect a microphone for karaoke sessions. Sing along to your favorite tunes with crystal-clear audio quality and immersive sound. 4.External USB Playback (Up to 62GB),take control of your music library. The receiver supports external USB drives with a maximum capacity of 62GB, allowing you to play your favorite tracks directly from a USB device. Enjoy hassle-free playback without the need for additional devices.Support WAV/WMA/APE/FLAC music format 5.Infrared Remote Control,convenience at your fingertips! The included infrared remote control lets you operate the receiver from a distance, giving you full control over your audio experience without lifting a finger. Package: 1*Bluetooth 5.3 audio receiver 1*3.5mm aux cable 1*Type-c charging cable 1*IR remote control 1*User manual