1. The design is compact and elegant, featuring a simple square shape. This device allows users to wirelessly transmit, play, and control o from smartphones, tablets, or iTouch devices via Bluetooth from up to 10 meters away. It supports streaming of all o files from any compatible Bluetooth-enabled device. 2. The standard 30-pin line output port can be directly connected to a docking station or an o input port. The output level ensures full o output without the need for additional line amplification. 3. By connecting and disconnecting different transmitting devices, users can switch between o sources seamlessly without cables or physical plug-in changes, eliminating the hassle of manually switching inputs on traditional o equipment. 4. Eliminates the constraints of wired connections, allowing users to enjoy high-fidelity music anywhere in the room without keeping the o source within close proximity to the speaker. 5. Note: Supports only analog signal o speakers. Not compatible with digital o speakers or car stereo systems. Product Instructions: Device Identification: I-WAVE 1. Turn 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 auto-reconnect, wait 30 seconds before initiating Bluetooth pairing. 2. Once in pairing mode, enable Bluetooth on your computer, smartphone, or other Bluetooth-enabled digital device. Search for available devices and select "I-WAVE" to connect. 3. Upon successful pairing, the front and rear Bluetooth LEDs will flash slowly, indicating a stable connection. You may now play music wirelessly. 4. To switch playback devices during normal operation, disconnect the currently paired Bluetooth device (e.g., phone or computer), then initiate pairing with a new device. If connection fails, remove and reinsert the adapter. Type: Bluetooth Receiver Adapter Output: 30-pin o output Color: White Material: Plastic Size: 44 x 35 x 7mm Package Contents: 1 x 30-Pin Bluetooth 5.1 o Receiver Note: The package includes only the items listed above. Other products are not included. Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement tolerance: +/- 1-3 cm.