Note:<br>Win8.1/10/11 is driver-free, plug and play, Win 7 needs to install drivers. This product is not supported on Mac OS/IOS systems.<br><br>Features:<br>1. The real 5.4 Bluetooth chip is adopted, which conforms to the technical specification of Bluetooth 5.4, LMP：13. X, BLE/EDR dual-mode low-power transmission.<br>2. Longer transmission distance: 150m long transmission distance (no barrier), upgraded antenna, and strong signal.<br>3. More stable transmission rate: 3Mbps transmission rate, providing high-speed file and audio data transmission.<br>4. Drive-free use: it supports plug-and-play without a drive, and without CD installation, which is convenient and simple. (Win8.1/10/11 is free of drive, and Win7 needs to install a driver)<br>5. Ultra-low delay speed link, intelligent sleep wake-up to save energy, 24-bit CRC check to resist interference, adaptive frequency hopping to reduce crosstalk.<br>6. Backwards compatibility Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0, Bluetooth 4.0, Bluetooth 5.0, Bluetooth 5.1, Bluetooth 5.3, and other specifications.<br>7.USB2.0 interface (universal USB3.0).<br>8. It can connect 7 kinds of devices at the same time with strong compatibility, and realize the wireless Bluetooth connection between the computer and other Bluetooth protocol devices (Bluetooth headset/speaker/mouse/keyboard/gamepad/mobile phone/printer, etc.) for audio, data and image transmission.<br>9. Technology upgrade, one link, and subsequent use of automatic reconnection, without secondary pairing.<br><br>Package Included:<br>1*USB Bluetooth 5.4 Adapter