The appearance is small and elegant, with a simple black square design. This device allows users to sit up to 10 meters away and easily wirelessly transmit, play, and control audio from iPhone or iTouch devices via Bluetooth, as well as stream all audio files from any Bluetooth-enabled device.The standard 30-pin output port can be directly connected to an Apple dock or the audio line input port of an Apple device. The output level ensures full power audio output without the need for additional line amplification.By connecting and disconnecting different transmitting equipment, users can switch audio sources wirelessly without plugging or unplugging cables, eliminating the hassle associated with traditional audio equipment source switching.This device frees users from cable constraints, allowing them to enjoy high-fidelity music anywhere in the room without keeping the audio source within one meter of the speaker.Supports Bluetooth 5.1 protocol specifications. Supports A2DP profile and device authentication. Automatically identifies compatible and non-compatible audio devices. Transmission range: up to 10 meters. Interface: standard iPod 30-pin connector. Two indicator lights flash alternately when no connection is active; blue light flashes slowly once connected.Product Instructions:Brand: I-WAVETurn on the speaker and plug the product into the docking station. The front and rear LED lights will flash rapidly, indicating pairing mode and normal operation. Since the device is factory-set to automatically reconnect, wait 30 seconds after powering on before pairing with a Bluetooth device.Once in pairing mode, enable the Bluetooth function on your computer, smartphone, or other digital device with Bluetooth output capability.