?Reliability?Enable wireless communication with Bluetooth-enabled computers, printers, phones and headsets. Utilize Bluetooth low energy) technology for energy-saving wireless connectivity. ?Compact Size Design?Ultra small size design allows you to leave it on laptop or desktop, you can keep this Bluetooth dongle there and no need to remove it, it seamlessly gets plugged into a laptop without blocking the surrounding USB port. The indicator light can clearly show the current pairing status. ?Wide Compatibility?The PC Bluetooth adapter works with 32/64-bit Windows 10/8/7. It can also take full advantage of bandwidth to connect multiple Bluetooth devices simultaneously, such as Bluetooth headsets/speakers/mice/keyboards, and smartphones. Not applicable for Mac OS, Linux, TV, or Car Stereo. ?Broader Range?With the more advanced technology, this adapter can grant you up to twice the speed and four times the coverage compared to Bluetooth 4.0. Applying the Class 2 radio technology, the transmission distance reaches 10m or even 20m in an open place, which could cover more distance space. ?Fast Transfer Rate?Supports the Enhanced Data Rate (EDR) technology, which greatly improves the transmission rate, giving you a fast and lag-free wireless data connection between your computer and Bluetooth devices. Easily enjoys music, transferring files, and entertainment during work. ?Bluetooth Adapter 5.1?Adopts the latest Bluetooth 5.1 chipset greatly reduces the power consumption of Bluetooth(BLE). Enhance anti-interference ability and stability, decrease the transmission efficiency loss caused by the interference of the 2.4 GHz frequency band and low the possibility of signal interruption, and it is backward compatible with Bluetooth V5.0/4.0/3.0/2.0/1.1. ?NOTE?This USB Bluetooth adapter is compatible with windows 11/10/8.1/8/7. Win8 /8.1/10/11 Driver-Free, Plug & Play. Win7 Driver-Needed(Install the driver from the included mini CD or contact us via message).