Upgraded Bluetooth 5.3 Adapter:This Bluetooth adapter for PC uses upgraded Bluetooth 5.3 BR+EDR technology, which greatly improves the stability of the connected data transmission speed and reduces the possibility of signal interruption and power consumption | You Can support up to 7 devices to work simultaneously:The bluetooth adapter supports 7 different types of Bluetooth devices at the same time without interfering with each other, such as Bluetooth mouse/keyboard/mobile phone/headset. If the same type of Bluetooth audio device (such as speakers/headphones) is connected, only one device can play music | Plug and Play:The bluetooth dongle Support Win8.1/10/11 system without driver plug and play（Win7 system need to install the driver to use）, realize the wireless connection between computer and other bluetooth protocol devices for audio, data, image transmission, compatible with bluetooth 2.0/2.1/3.0/4.0/5.0/5.1 and other specifications | Mini size:A very compact Bluetooth adapter that can be placed on a laptop or PC without having to be removed. The compact size does not interfere with other USB ports. Easy to carry, does not take up space | More Stable Transmission:The USB Bluetooth 5.3 improves connection stability and reduces the possibility of signal interruptions. In open space, maximum transfer rates of up to 3 Mbps, transmission distances of up to 66 feet (20 meters), ultra-low latency, ultra-fast links, intelligent sleep wake energy saving, 24-bit CRC against interference, adaptive frequency hopping to reduce crosstalk | 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)