The 30 Pin Bluetooth Receiver Wireless Dock Adapter is a convenient device that allows you to upgrade your iPod or iPhone dock to a wireless audio system. With support for Bluetooth 5.1 protocol specification, it provides a seamless connection to your Bluetooth-enabled devices. The adapter features a standard iPod 30pin interface, making it compatible with a wide range of docking stations. It supports Lingo protocol and device authentication, ensuring a secure and reliable connection. The transmission distance is not less than 10 meters, giving you the freedom to move around without losing signal. The adapter is easy to use. Simply plug it into the docking seat of your speaker and it will enter pairing mode. Once paired with your Bluetooth device, you can enjoy wireless music playback. The indicator lights on the adapter provide clear status information, with two lights flashing alternately when there is no connection, and a blue light flashing slowly after connection. Please note that this adapter is only compatible with 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 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 30pin interface Indicator lights for clear status information Easy to use and pair with Bluetooth devices Not compatible with digital speakers Not compatible with car stereo systems