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. 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