The Upgrade Version I-WAVE 30 Pin Bluetooth 5.1 Audio Receiver A2DP Music Mini Wireless Adapter 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 adapter ensures a stable and reliable connection. Featuring a transmission distance of not less than 10 meters, you can enjoy your favorite music from a distance. The adapter is designed with a standard iPod 30-pin interface, making it compatible with a wide range of devices. Its dimensions of 44*36*7mm make it portable and easy to carry. The adapter is equipped with 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, ensuring a hassle-free setup process. Simply plug the adapter into the docking seat of your speaker, enter pairing mode, and connect it to your Bluetooth-enabled device. Please note that this adapter only supports analog speakers and is not compatible with digital speakers or car stereo systems. If you experience any compatibility issues, please do not hesitate to contact us for assistance. Key Features: Supports Bluetooth 5.1 protocol specification Supports Lingo protocol and device authentication Transmission distance of not less than 10 meters Standard iPod 30-pin interface Compact dimensions of 44*36*7mm Indicator lights for connection status Easy setup with clear instructions Not compatible with digital speakers or car stereo systems