Bluetooth 5.1 technology and a multi-functional adapter. Connect to speakers, amplifiers, TVs, and headphones, and even wired devices can enjoy Bluetooth. Feature-rich, clear interfaces and distinct function labels make it 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 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 Apple, for Android, and for iPad, 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/TVs/Speakers/Amplifiers/Projectors, et