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 Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!