<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p> <span style="font-family:&quot;background-color:#FFFFFF;"> <span style="font-family:&quot;background-color:#FFFFFF;"><div style="font-size: 28px; font-family: tahoma, geneva, sans-serif; font-weight: bold; padding: 2px 2px;"> <kse:widget data-widget-type="customText" id="1005000018941212" title="双十一" type="custom"></kse:widget> </div></span> <table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0"> <tbody> <tr> <td> <table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0" style="font-family:&quot;"> <tbody> <tr> <td> <p> <br /> </p> <p> <br /> </p> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> <table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0"> <tbody> <tr> <td> <table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0" style="font-family:&quot;"> <tbody> <tr> <td> <p> <br /> </p> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </span> </p> <p> </p> <div> <div style="padding:15px;border:1px solid #AEAEAE;"> <span style="color:black;font-family:inherit;font-size:12px;">USB Bluetooth-Compatible 5.4 Dongle Adapter Music Audio Receiver Transmitter Drive Free Bluetooth-Compatible Dongle for PC Laptop Wireless Keyboard Audio<br /> </span><strong>Feature:</strong><br /> <strong>1. Advanced Bluetooth-Compatible 5. 4 Compatibility: </strong>The USB dongle adapter supports Bluetooth-Compatible 2.0 to 5.3 and the latest 5.4 standards, featuring a smart low-power chip and RF transceiver for powerful, low-latency applications. Connect up to 7 devices simultaneously with a range of 20 meters in open spaces.<br /> <strong>2. Versatile Dual-Mode Functionality: </strong>The music audio receiver transmitter supports dual-mode Bluetooth-Compatible 5.4, ensuring seamless connectivity with a wide range of devices. Enjoy hands-free calls and stereo music with support for HFP/HSP, A2DP/AVRCP, and HID/HOGP protocols.<br /> <strong>3. Plug-and-Play Convenience:</strong> The USB wireless adapter offers easy installation with plug-and-play functionality on Windows 8.1, 10, and 11. For Windows 7, simply install the driver to enjoy full compatibility, making it ideal for both new and legacy systems.<br /> <strong>4. Multi-Device Connectivity: </strong>The music audio receiver can connect up to 7 devices simultaneously, allowing you to manage multiple Bluetooth-Compatible-enabled devices with ease. Enjoy seamless transitions between your headphones, speakers, keyboards, and more.<br /> <strong>5. Enhanced Range and Performance: </strong>With the USB transmitter, experience a stable Bluetooth-Compatible connection up to 20 meters in open environments. Its smart chip technology ensures low latency and efficient power usage, perfect for audio streaming and device control.<br /> <div> <br /> </div> <br /><br/><br/><span><strong>Specification:</strong></span><br /> <span>Origin: Mainland China</span><br /> <span>Model: BT543<br /> Bluetooth-Compatible th version: Bluetooth-Compatible 5.4 (EDR+BLE low power consumption, low latency)<br /> Transmission distance: 20 meters (in an obstacle-free environment)<br /> Supported protocols: A2DP, HSP, AVRCP, HID, AAC, etc.<br /> Operating temperature: -20 to 70℃<br /> Product size: 14*14mm<br /> Packaging size: 145*95*15mm<br /> Packaging weight: 20g<br /> </span><br /> <p> <strong>Note:</strong><br /> Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!<br /> Please allow a 1-2 cm difference in measurements due to manual measuring. </p> <br />&nbsp;<br /> &nbsp;<br /> Packages:&nbsp;<br /> 1 x Adapter<br /> 1 x Instruction Manual<br />&nbsp;<br /> </div> <br /> <div> <p> </p> </div> <br /> <div style="text-align:center;"> </div> <br /> <div style="text-align:center;"> <br /> </div> <div> <div style="margin:0px;padding:0px;border:0px;font-family:arial, verdana, sans-serif;vertical-align:baseline;text-align:justify;color:#333333;"> <p> <strong></strong> </p> <p> <br /> </p> </div> </div> </div></div></div>