<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><table class="ke-zeroborder" width="100%" cellspacing="0" cellpadding="0" border="0"> <tbody> <tr> <td> <br /> <div style="padding:15px;border:1px solid #AEAEAE;"> <span style="color:black;font-family:inherit;font-size:12px;">USB Bluetooth-Compatible 5.4 Adapter Audio Transmitter Receiver Driver Free Wireless BT 5.4 Dongle Adapter for PC Laptop Wireless Speaker<br /> </span><strong>Feature:</strong><br /> <strong>1. Advanced Bluetooth-Compatible 5. 4 Technology:</strong> The USB BT 5.4 adapter leverages the latest Bluetooth-Compatible 5.4 specification, ensuring backward compatibility with Bluetooth-Compatible 2.0, 3.0, 4.0, 5.0, 5.1, and 5.3 devices. This wide range of compatibility ensures that users can connect a vast array of Bluetooth-Compatible-enabled devices, providing a seamless and efficient wireless experience.<br /> <strong>2. Dual Mode and Dual Channel Flexibility:</strong> As an audio transmitter receiver, this product supports Bluetooth-Compatible 5.4's dual-mode specifications (LMP 13.X), offering true Bluetooth-Compatible 5.4 standard performance. This feature enables the dongle to handle both high-speed data and audio communication simultaneously, making it a versatile solution for all your Bluetooth-Compatible needs.<br /> <strong>3. Enhanced Wireless Range and Low Latency:</strong> Equipped with a smart low-power chip and an RF transceiver, the audio dongle offers an impressive Class 2 power level, supporting up to 20 meters of wireless range in open spaces. This extended range, combined with reduced latency, ensures a flexible and powerful Bluetooth-Compatible application, perfect for both entertainment and productivity tasks.<br /> <strong>4. Multi-Device Connectivity: </strong>The wireless USB adapter supports connection with up to seven devices simultaneously, thanks to its support for multiple protocols including HFP/HSP (Hands-Free Profile/Headset Profile), A2DP/AVRCP (Advanced Audio Distribution Profile/Audio Video Remote Control Profile), HID/HOGP (Human Interface Device Profile/Bluetooth-Compatible Low Energy Human Interface Device Profile), and ACC. This makes it an ideal choice for users looking to connect various devices like headphones, keyboards, mice, and even&nbsp;for Android smartphones.<br /> <strong>5. Universal USB Compatibility:</strong> The wireless BT 5.4 dongle adapter is designed with USB 2.0/3.0 interface support, ensuring it can be used with a wide range of devices without the need for additional drivers or software. This plug-and-play functionality makes it incredibly user-friendly and a must-have accessory for enhancing the connectivity of your devices.<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /><br/><br/><span><strong>Specification:</strong></span><br /> <span>Origin: Mainland China</span><br /> Model: BT542<br /> Color: Black<br /> Material: ABS<br /> Bluetooth-Compatible version: Bluetooth-Compatible 5.4 (EDR+BLE low power consumption, low latency)<br /> Transmission distance: 20 meters (under barrier-free environment)<br /> Supported protocols: A2DP, HSP, AVRCP, HID, ACC, etc.<br /> Working temperature: -20 to 70℃<br /> Supported operating system: Compatible with Windows 8.1, 10, 11 (driver-free, plug and play) Windows 7 driver installation can be used<br /> Product size: 30*18*8mm/1.18*0.71*0.31inch<br /> Packaging size: 145*95*15mm<br /> Gross weight: 22g<br /> <br /> <p> <strong>Note:</strong><br /> Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!<br /> Please allow 1-2cm measuring deviation due to manual measurement. </p> <br />&nbsp;<br /> </div> <br /> <div> <br /> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> 1 x&nbsp;USB Bluetooth-Compatible 5.4 Adapter<br /> 1&nbsp;x&nbsp;Instruction Manual&nbsp;<br /> </div> <p> <br /> </p> <p> </p> <div style="text-align:center;"> <div> <span> </span> </div> </div> </td> </tr> </tbody> </table> <br /></div></div>