[DETAIL]<br>Product features:<br>★ Supports connecting 5<br>Bluetooth devices<br>at the same time<br>★ adopt dual-mode transmission that truly conforms to Bluetooth 5.4 technical standard.<br>★ transmission distance: 20m, ultra long transmission distance (no barrier), strong signal.<br>★ transmission rate: 3mbps transmission rate, providing high-speed file and audio data transmission.<br>★ the original driver management software is easy to use, powerful and supports a variety of application expansion.<br>★ ultra low delay and high-speed link, intelligent sleep wake-up, energy saving, 24 bit CRC verification to resist interference, adaptive frequency hopping to reduce crosstalk.<br>★ fully downward compatible with Bluetooth 2.0, Bluetooth 2.1 and Bluetooth 3.0 specifications.<br>★USB2. 0 interface is more universal, super mini body and portable.<br>★ supporting system: / win8 / 8.1/win10/win11 (win8 / 10 / 11 system drive free)<br><br>[ATTRIBUTES]<br>- High-concerned chemical: None<br>- High Definition Support: 720p<br>- Content: Audio&Video<br>- High-concerned chemical: None<br>- High Definition Support: 720p<br>- Content: Audio&Video<br>- WIFI Standard: 5g<br>- Wireless Type: Bluetooth<br>- Interface: USB<br>- Brand Name: OLOPKY<br>- Origin: Mainland China