Features: Users can sit 10 meters- away and easily wirelessly transmit, play and control your phone via blue teeth. Can be directly connected- to the Apple-base or the Apple-audio line input port, and the output level can make the audio reach full power output without additional line amplification. Through the connection and disconnection of different transmitting equipment, the function of audio source switching without wiring and zero- plugging and unplugging can be realized. Release the shackles of the connecting line on the user, so that the user can enjoy high-fidelity music anywhere in-the-room without having to place the audio source device within 1 meter of the speaker. Note: Only analog audio speakers- are supported, not digital audio speakers-. Specifications: Material: plastic Product instructions 1. When the speaker is turned on, insert the product on the docking seat-, and the front and rear LED lights start to flash quickly, indicating that the device has entered the pairing mode-, indicating that the device has been working normally. Since this device has been automatically reconnected by default, please pair the Blue-tooth device 30 seconds after starting it. 2. After the device enters the pairing mode-, turn on the Blue tooth function of computers, mobile phones and other digital product with Blue tooth output function, search or find Blue tooth devices, and find I-WAVE Blue tooth devices to connect, 3. After the pairing is successful, the front and rear Blue tooth LEDs will turn to slow flashing, indicating that the connection is successful, and the wireless music can be played. Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xAudio Receiver