Bluetooth 5.4 Support: Apply the latest Bluetooth 5.4 adapter,support dual-mode transmission, backward compatible with Bluetooth 2.1/3.0/4.0/5.0/5.3. To achieve anti-interference, low energy consumption, high speed and more stable transmission, rejecting delays | Faster Transmission Speed, Wider Coverage: Upgrade to faster 3 Mbps transfer rates, achieve stable and fast connections anytime! Experience the freedom of wireless connectivity with our USB bluetooth adapter. Easily achieve 20 meters of barrier-free transmission, so you can walk around the office freely and listen to music in your headphones without interruption. Bluetooth dongle for pc provide reliable and long-range connectivity for your wireless device needs | Plug and Play& Free Driver: Supports Windows 8.1, 10 and 11 driver-free use, just plug it in and connect, simple to use and easy to operate. Support Win7 (Win7 needs to install the driver) | Memory Pairing, Easy to Connect: This bluetooth USB adapter pc has a memory function, after the initial pairing, it will automatically connect when turned on, without the need to re-set up, which is simple and convenient | Up to 7 Devices Connected Simultaneously : Bluetooth pc adapter supports up to 7 devices connected at the same time without interfering with each other.Saves your USB space, no need to worry about wires getting tangled or being tied to your device | Mini Size: The compactly designed pc bluetooth adapter allows you to plug into your laptop or PC without interfering with surrounding USB ports. This mini bluetooth USB is easy to carry and does not take up space. | Stable Seliability: Supports wireless communication with Bluetooth-enabled desktops, printers, phones, headsets, keyboards, speakers, and mice. Leverage bluetooth USB adapter low energy technology for energy-efficient wireless connectivity