<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p style="font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box" align="start">Note:Win 7 need to install drivers.If your computer system is Win8.1/10/11, you do not need to install the driver.<br/><br/>It is driver-free for Win8.1 and above system.<br/><br/>This product is not supported on Mac OS/IOS system.<br/><br/>Chip: (RTL8761BW)<br/><br/>1. Upgrade Bluetooth 5.4/5.3+BLE (LMP:12.45)<br/><br/>2. Compatible with Bluetooth versions such as 5.2/5.1/5.0/4.0/3.0/2.0.<br/><br/>3. Low power consumption, low delay and high-definition sound quality<br/><br/>4.Win8.1/10/11 driver-free, plug and play, Win 7 need to install drivers.<br/><br/>5. Connect once, and connect automatically.<br/><br/>6. Support simultaneous connection of multiple devices<br/><br/>7. Wide compatibility (Bluetooth headset/speaker/Bluetooth mouse/keyboard/Bluetooth handle/printer/Android)<br/><br/>8. External dual antennas, 150 meters distance<br/><br/>9. Support A2DP/HSP/AVRCP/HID/SBC/AAC and other protocols<br/><br/><br/><br/><br/><br/><br/></p></div></div><br/>