The Upgrade Version I-WAVE 30 Pin Bluetooth 5.1 Audio Receiver is a compact and convenient device that allows you to wirelessly connect your iPhone or iPod to analog speakers. With support for Bluetooth 5.1 protocol specification and Lingo protocol, this receiver ensures a stable and secure connection. It also features automatic identification of certified and non-certified base audio, providing you with a hassle-free experience. With a transmission distance of not less than 10 meters, you can enjoy your music from a distance without any loss in audio quality. The receiver is designed with a standard iPod 30-pin interface, making it compatible with a wide range of speakers. Its compact dimensions of 44*36*7mm make it portable and easy to carry. The receiver features two indicator lights that flash alternately when there is no connection, and the blue light flashes slowly after a successful connection. The product comes with clear instructions for use, making it easy to set up and pair with your Bluetooth device. Simply plug the receiver into the docking seat of your speaker, enter the pairing mode, and connect it to your Bluetooth-enabled device. Once paired, you can enjoy wireless music playback. Please note that this receiver only supports analog speakers and is not compatible with digital speakers or car stereo systems. If you encounter any compatibility issues, please do not hesitate to contact us. We strive to provide the best customer service and ensure your satisfaction with our products. Key Features: Upgrade Version with Bluetooth 5.1 technology Supports automatic identification of certified and non-certified base audio Transmission distance of not less than 10 meters Compact dimensions of 44*36*7mm Easy to set up and pair with Bluetooth devices Compatible with a wide range of analog speakers Indicator lights for connection status Not compatible with digital speakers or car stereo systems