<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p><span style="font-size:20px"><strong>Mode description:</strong></span><br/>TX： There are two working modes: Bluetooth (TX green light on) and broadcast (TX blue light on). Double clicking the TX button can switch between the two Switching;<br/>RX： There are two working modes: Bluetooth (RX green light on) and Broadcast (RX blue light on). Double clicking the RX button can switch between the two modes Switching;<br/>2. Functional operation<br/>1) Turn on/off<br/>Press and hold the power button for 2 seconds to turn on/off the device;<br/>2) Automatic shutdown function<br/>The device automatically shuts down after 15 minutes of no connection and needs to be restarted to wake up. (Note: It will not automatically shut down in TX broadcast mode)<br/>3) Low battery alarm prompt<br/>When the device is low on battery, the charging red light flashes;<br/>4) TX/RX mode switching (switching interval time should not be less than 3S)<br/>Double click the TX button, the TX indicator light will turn on, and enter TX mode;<br/>Double click the RX button, the RX indicator light will turn on, and enter RX mode;<br/>5) Bluetooth/broadcast mode switching (please do not switch interval less than 3S)<br/>When in TX mode: Double clicking the TX button can switch between Bluetooth (TX green light on) and broadcast (TX blue light on) working modes;<br/>When in RX mode: Double clicking the RX button can switch between Bluetooth (RX green light on) and broadcast (RX blue light on) working modes;<br/>6) Audio source input switching (TX mode)<br/>In TX mode, double-click the power button to switch the input audio source.<br/>When in TX Bluetooth mode, it can switch between AUX/USB (connected to PC) audio;<br/>When in TX broadcast mode, it can switch between BT/AUX/USB (connected to PC) audio.<br/><br/><span style="font-size:20px"><strong>TX transmission - Bluetooth mode:</strong></span><br/>This device can be used in conjunction with a TV to wirelessly forward sound to Bluetooth earphones or speakers.<br/>Operation steps:<br/>A、 Turn on the Bluetooth speaker or Bluetooth headset waiting to be connected and place it in pairing mode;<br/>B、 Press and hold the device power button for 2 seconds, and the device&#x27;s power on LED light will turn on. Double click the TX button to switch the device to &quot;TX&quot; mode, and the TX light will turn on;<br/>C、 In TX mode, double-click the TX button again to switch the device to TX Bluetooth working mode (the &quot;TX&quot; green light is on);<br/>D、 Insert the 3.5mm audio head on the device into the audio output interface of the TV at home;<br/><br/>Note: You can double-click the power button to switch audio input sources!<br/>① AUX audio input: The audio blue light on the device lights up, and the sound is input through the 3.5mm audio plug of the device;<br/>② USB audio input: The audio green light on the device lights up, and the device is connected to the PC through the USB port to forward the sound on the PC;<br/>E、 The device automatically enters the search pairing state (the &quot;TX&quot; green light flashes rapidly);<br/>F、 After successful connection, the &quot;TX&quot; green light on the device flashes slowly, and sound can be heard from the Bluetooth speaker or headphones.<br/><br/>Note:<br/>① Different Bluetooth devices (such as Bluetooth earphones) may have different search connection times due to differences in their usage schemes and protocols. If the connection is not successful for a long time, you can restart the device and try connecting again;<br/>② The &quot;TX&quot; green light on the device flashes rapidly, indicating the search for Bluetooth device status;<br/>③ The blue light on the device indicates AUX audio input, and you can double-click the power button to switch the audio input source;<br/><br/><span style="font-size:20px"><strong>TX transmission - broadcast mode:</strong></span><br/>Cooperate with audio output devices to wirelessly send sound to broadcast receivers (the RX broadcast function of this device), which can connect multiple broadcast receivers simultaneously;<br/>Operation steps:<br/>A、 Press and hold the device power button for 2 seconds, and the device&#x27;s power on LED light will turn on. Double click the TX button to switch the device to &quot;TX&quot; mode, and the TX light will turn on;<br/>B、 In TX mode, double-click the TX button again to switch the device to TX broadcast mode (the &quot;TX&quot; blue light is on);<br/>C、 Insert the 3.5mm audio head on the device into the output interface of the audio source device;<br/><br/>Note: You can double-click the power button to switch audio input sources!<br/>① AUX audio input: The audio blue light on the device lights up, and the sound is input through the 3.5mm audio plug of the device;<br/>② Bluetooth audio input: The audio white light on the device lights up, and the phone&#x27;s Bluetooth can connect to this device (LE515max), then forward the phone&#x27;s Bluetooth music;<br/>③ USB audio input: The audio green light on the device lights up, and the device is connected to the PC through the USB port to send the sound from the PC in groups;<br/>D、 Turn on the broadcast receiver (RX broadcast function of this device) and place it in the broadcast receiving function; (See RX receiver - broadcast mode operation instructions)<br/>E、 In broadcast mode, the device automatically connects. After successful connection, the &quot;RX&quot; blue light on the br<br/><br/></p></div></div><p><br/></p>