<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> </title> <div style="width:100%;height:100%;"> <div style="width:100%;text-align:center;height:30px;" id="title"> <span style="font-weight:bold;font-size:16px;">Optimal TWS TPA3118 Amplifier Audio Board Amplificador Bluetooth Receiver HY5066MTWS , Not Supports Call</span> </div> <div id="description"> <div class="ui-box-body"> <span style="font-size:18px;"><div>Product information: Bluetooth 5.0, supports serial port renaming, supports one-key TWS pairing, supports AUX insertion into TWS pair box, power on and start up, the default volume is the highest.<br/>When 16V4A, the maximum output power is 30W; When 12V4A, the maximum output power is 20W.<br/>8-22V power supply, with reverse connection protection, support notebook power adapter power supply.<br/>Boards and devices are well-crafted, with sufficient materials and reliable quality.<br/>M+ and M- are the positive and negative of the microphone.<br/>TX, RX, GND: TTL serial port configuration 9600, N, 8, 1<br/>Power amplifier board size: 7.1x4.3CM<br/>Fixing hole distance: 6.6x3.8CM<br/>Type: A: Supports calls / B: not supports calls.<br/>type: Amplifier Board<br/>color:Black<br/>Material:PCB+electronic components<br/><br/>Package Contents:<br/>1 x TWS Amplifier<br/>Only the above package content, other products are not included.<br/>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</div></span> </div> </div> <div id="details"> <div class="ui-box-body"> <span style="font-size:18px;"><table border="0" cellpadding="0" cellspacing="0" style="width: 100.0%;"><tbody><tr> <td style="margin: 0 auto; text-align: center;"><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p></td></tr></tbody></table> </span><br /> <p> <br /> </p> <p> </p> </div> </div> </div></div></div>