【Great for the old motherboards not supporting Bluetooth,Plug and play!】Dual-mode support Bluetooth 5.0 low energy (Backward compatible 2.0/3.0/4.0),Full-speed USB 2.0 interface,Bluetooth v5.0 specification compliant,2.402-2.48GHZ ISM Band,Low power Consumpt | 【Perfectly support Win 7 or above system】(Upgrade to Win 10 is recommended) ,Class II power standard, distance of 10-20 meters,Support Bluetooth EDR data rate to 3Mbps,System Support:Windows7、Win8、Win8.1、Win10,Realtek Driver RTL8761B Chips | 【You Can Connect to Bluetooth headphones from your PC and unlike standard Bluetooth adapters it transmits the audio steadily with a good sound quality and without any noticeable delay】Which is important when gaming or watching videos,Support Profile: Serial Port、Object Push、File Transfer、LAN Access、Personal Area Network、Audio Geteway、 Heatset HID、Keyboard、Mouse、HCRP(Printer Cable Replacement)、Bluetooth Low Energy、PIM Synchronization Profile, A2DP、AVRCP、Bluetooth low energy. | 【You Can support up to 4 devices to work simultaneously】Supports Devices:Bluetooth Headset/Bluetooth Keyboard/Bluetooth Mouse/Bluetooth Speaker/Mobile phone/Printer/Computers/Game Controlle(PC Games supported,PS4/XBOX not supported） | Size: 19×17×8 mm,Weight: 3 g,Operating Temperature:-10-50℃,Storage Temperature:-20-70℃.The Upgraded Bluetooth 5.0,Great for motherboards not supporting Bluetooth,Plug and play!Perfectly support Win 7 or above system. (Upgrade to Win 10 is recommended) | You Can Connect to Bluetooth headphones from your PC and unlike standard Bluetooth adapters it transmits the audio steadily with a good sound quality and without any noticeable delay.Which is important when gaming or watching videos. It works just fine and sounds pretty good.Works as Your expected. Installation was easy. You Can support up to 4 devices to work simultaneously.

Supports resolutions upto 1080P (1080p Full HD) including 480P/ 576P / 720P for HD monitors or projectors | Suitable for all HDMI input and VGA output interface devices | Built-in conversion chip improves the compatibility | Plug and Play design, without special setup

High performance Bluetooth 5.4 chip:The bluetooth adapter supports dual-mode Bluetooth 5.4 low energy (Backward compatible 2.0/3.0/4.0/5.0/5.1/5.3),Full-speed USB 3.0 interface,Bluetooth v5.4 specification compliant,Win10,Realtek Driver RTL8761B Chips | Compact Design & Great compatibility:The bluetooth adapter for pc is lightweight and portable design:26×14×9 mm,Weight: 3 g.Compatible with PC Laptop Desktop for Windows 8.1, 10, 11 (no driver, plug and play) windows7 install the driver can be used | You Can support up to 7 devices to work simultaneously:The unifying receiver supports Devices:Bluetooth Headset/Bluetooth Keyboard/Bluetooth Mouse/Bluetooth Speaker/Mobile phone/Printer/Computers/Game Controlle(PC Games supported,PS4/XBOX not supported） | Auto-pairing, power on and connect in seconds:The bluetooth usb after the first pairing success, power on and automatically connect back, easy to use (Warm tips: your device needs to support the active back to connect function)Transmission distance: 20 metres (in an unobstructed environment) | Stable Transmission:This Bluetooth adapter transmits the audio steadily with a good sound quality and without any noticeable delay,Which is important when gaming or watching videos,bluetooth dongle support Profile: Serial Port、Object Push、File Transfer、LAN Access、Personal Area Network、Audio Geteway、 Heatset HID、Keyboard、Mouse、HCRP(Printer Cable Replacement)、Bluetooth Low Energy、PIM Synchronization Profile, A2DP、AVRCP、Bluetooth low energy | Disable Built-in Bluetooth:Double-click the Bluetooth icon >right-click on "Intel(R) Wireless Bluetooth”>select "Disable device" > Click on "Yes". Default Bluetooth: Generic Bluetooth Radio, Intel(R) Wireless Bluetooth (R).