1. The appearance is small and elegant, a simple square design. Allows users to wirelessly transmit, play, and control their devices from up to 10 meters away via Bluetooth, or any audio files on a Bluetooth-enabled device. 2. The standard 30PIN line output port can be directly connected to a docking station or audio line input port, and the output level can achieve full sound effect without additional line amplification. 3. By connecting and disconnecting different transmission equipment, it enables wireless audio source switching without cable plugging and unplugging, eliminating the hassle of traditional audio equipment. 4. Frees users from the constraints of connection cables, allowing enjoyment of hi-fi music anywhere in the room without needing to place the audio source device near the speaker. 5. Note: Only analog audio speakers are supported; digital audio speakers are not compatible. This item is not compatible with car stereo systems or digital signal speakers. Product Instructions: Device Identification: I-WAVE 1. Turn on the speaker, connect the product to the docking station. The front and rear LED lights will flash, indicating pairing mode and normal operation. The device automatically reconnects, so turn on your device before pairing. 2. Once in pairing mode, enable Bluetooth on your computer, mobile phone, or other digital products. Search for and connect to the I-WAVE Bluetooth device. 3. Upon successful pairing, the front and rear Bluetooth lights will flash slowly, indicating a stable connection for wireless playback. 4. To change playback devices, disconnect the current device and pair with a new one. If connection fails, remove and reinsert the product. Type: Bluetooth Receiver Adapter Output: 30-pin Audio Output Color: White Material: Plastic Size: 44 x 35 x 7 mm