Bluetooth Adapter for PC USB Bluetooth 5.4/5.3/5.1/5.0 Adapter for Speaker Mouse Keyboard Wireless Dongle Transmitter Receiver

*There are 5 models to choose from, each with different performance and appearance.Please select the appropriate model before purchasing: (1) Bluetooth 5.0 Adapter (2) Bluetooth 5.1 Adapter (3) Bluetooth 5.3 Adapter (4) Bluetooth 5.4 Adapter (5) Bluetooth 5.0 Adapter Thank you for your support and understanding! Note:XP/ Win8/ MacOS system is not supported.Name: USB Bluetooth 5.4 adapterBluetooth version: 5.4(BLE low power consumption, low delay)Transmission distance: 20m (in barrier-free environment)Support protocols: A2DP,HSP,AVRCP,HID, etc.5.4 Bluetooth dual-mode and dual-channel, compatible with Bluetooth 2.0,3.0,4.0,5.0 and 5.1 specifications.Intelligent low-power chip, RF transceiver, providing lower delay, flexible and powerful Bluetooth application.Support Cass2 Power level 20 meters distance (in open environment)Support Bluetooth 5.4 dual-mode specification (LMP 12.45 real Bluetooth 5.3 standard)Support USB2.0/3.0 interface.Support multiple devices to connect at the same time (up to 7 devices can be connected)Working temperature -20 to 70℃Operating system support: Windows 8.1, 10, 11 (driver-free, plug and play), Windows7 system can be installed with drivers.Support protocols: HFP/HSP (hands-free phone/headset) A2DP/ AVRCP (stereo music) HID/HOGP (keyboard and mouse), Android smart phone, etc. 20 meter long-distance transmission Strong signal transmission at a distance of 20 meters without obstacles Connecting phones/tabletsNo need for data cables, achieving multi device interoperability, enabling fast file transfer withoutlagging when BT is turned on. BT 5.0 Black Details description： Bluetooth version: 5.0Transmission distance: 20mSupport system: Windows7/Win8/8.1/Win10/Win11Universal: Wireless devices such as a keyboard,mouse,speaker,printers,gamepad&more. the original driver management software is easy to use, powerful and supports a variety of application expansion. Enjoy faster and more stable connections with the latest Bluetooth 5.0 technology. Wireless Connectivity :Say goodbye to tangled wires and enjoy the freedom of wireless connectivity. BT 5.1 Black Details description：Product Name:Bluetooth V5.1 AdapterInterface: USB 2.0Transmission rate: maximum 24MbpsBluetooth version: Bluetooth V5.1Frequency band: 2.4GHzTransmission distance: 0~20MOperating system: Win7, Win8, Win8.1, Win10, Win11Universal: Wireless devices such as a keyboard,mouse,speaker,printers,gamepad&more. BT 5.3 Black Details description：Model Number: Bluetooth 5.3 AdapterBluetooth version: 5.3Frequency range: 2.4GHz (2402-2480MHz)Transmission distance: 0~20MInterface type: USBOperating system: Win7, Win8.1, Win10, Win11 Universal: Wireless devices such as a keyboard,mouse,speaker,printers,&more.Support multiple devices to connect at the same time: support multiple Bluetooth-compatible devices to connect at the same time, solve the USB gap problem, and meet various occasions BT 5.0 Black Details description：Item Name: Bluetooth 5.0 AdapterInterface: USB 2.0Bluetooth Version: Bluetooth V5.0Frequency Band: 2.400-2.480GHzColor: Black with lower power consumption, faster transmission speed, lower delay Operation System: Windows7/ 8/ 10/ / 2000/ 98/ Me etc. Not support : windows xp/ vista , linux , mac os Universal: Wireless devices such as a keyboard,mouse,speaker,printers,gamepad&more. Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.