product description The V5.0 Bluetooth adapter is the latest Bluetooth adapter product on the market. It is equipped with a USB2.0 interface to cope with the current data and audio data communication between the PC and various Bluetooth devices. Adopt BARROT regular original chip: BR8041A02. Driver management software: Harmony. Comply with Bluetooth 5.0 technical specifications, Support 10m to 20m ultra-long distance transmission, stable and strong signal, dual mode, very low power consumption. All technical performance is excellent with other current versions of Bluetooth technology.   Features 1. The BR8041A02 chip is adopted, which truly conforms to the Bluetooth 5.0 technical specifications and dual-mode transmission. 2. Longer transmission distance: 10m-20m ultra-long transmission distance (no barrier), strong signal. 3. More stable transmission rate: 3Mbps transmission rate, providing high-speed file and audio data transmission. 4. Harmony driver management software is easy to use, powerful, and supports multiple application extensions (Microsoft OFFICE software). 5. Ultra-low latency ultra-fast link, intelligent sleep wake-up energy saving, 24-bit CRC check to resist interference, adaptive frequency hopping to reduce crosstalk. 6. Completely backward compatible with Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0, Bluetooth 4.0, Bluetooth 4.2 specifications. 7.USB2.0 interface is more versatile, ultra-mini body is portable   Product specification 1. Pr transmit power + 10DBM (Class II) 2. Sensitivity -90dBm 0.1% 3. Speed ​​3Mbps 4. Protocol standard V 5.0 protocol 5. Support system Windows XP / Vista / Win7 / Win8 / Win8.1 / Win10 6. USB expansion port USB2.0 7. Product features Dual mode transmission V5.0 technology The packaging includes: 1 * Bluetooth adapter