USB5.0. It uses the latest USB5.0 dongle to improve transmission speed and anti-interference capability, and new technology to reduce noise. It can support more than 6 Bluetooth devices at the same time, which is very convenient. | Fast transmission speed and long transmission distance. Our network adapter has a maximum transmission speed of 3Mbps and a transmission distance of 32.8 feet - 65.6 feet of open space. Connect quickly anytime, anywhere. | High compatibility. 5.0 dongle works with Windows 10/8/7 32/64 bit. It can also make full use of bandwidth to connect multiple devices at the same time, such as headset/speaker/mouse/keyboard, smartphone. It can work with up to 7 devices at the same time. Not compatible with Mac OS, Linux, TV, car stereo or Microsoft devices. | Ultra-small size. The sleek and compact design makes the Bluetooth receiver perfect for placing on your laptop or PC without even drawing attention to it. You can easily put it on your laptop without blocking the USB port next to it. | After-sales service. This product comes with a 24-month warranty. Step-by-step installation instruction manual for quick support and convenience