Bluetooth 5.1 technology and a multi-functional adapter. Connect to speakers, amplifiers, , and headphones, and even wired devices can enjoy Bluetooth. Feature-rich, clear interfaces and distinct function labels easy to use. Supports dual AUX and RAC outputs, allowing simultaneous signal output from two active speakers with stable, lag-free operation. USB input decoding and playback: Automatic playback from a USB drive. Built-in HD audio decoder: No lag, and automatic song resumption upon power-up. Sound effect adjustment: Even ordinary speakers and microphones can be customized to enhance sound quality, creating a personalized home entertainment platform for ultimate freedom. The Bluetooth 5.1 chip boasts superior performance. This highly integrated chip offers enhanced digital signal conversion and transmission, ensuring fast, lag-free, and highly compatible performance. High-definition sound quality and lossless transmission, with faster response and zero lag in listening. A wide range of interfaces and diverse play styles cater to a wide range of devices. Intelligently compatible with a wide range of input sources, including for , for Android, and for , it supports wireless transmission and is compatible with all devices with audio input and output. An external antenna ensures smooth, uninterrupted transmission up to 30 meters. Product Name: Smart Bluetooth Adapter T02 Bluetooth Version: BLUETOOTH V5.1 Weight: Approximately 183g Transmission Range: Uninterrupted up to 30 meters Music Formats: MP3/APE/FLAC/WAV/WMA Interface Type: AUX + RAC Dimensions: 110 x 25 x 85mm Antenna Length: 108mm Basic Functions: Bluetooth Receiver/Smart App/Infrared Remote Control Compatible Devices: Mobile Phones/Tablets/Computers//Speakers/Amplifiers/Projectors, etc. Color: Black Material: Aluminum Alloy Package Contents: 1 * Audio receiver 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.