Package includes: 1xUSB Bluetooth adapter, 1xUser Manual, 1x45 cm USB Extension Cable. Multiple Connection: If you want to connect multiple wireless devices with one Bluetooth adapter, then a Bluetooth adapter is an ideal solution. This Bluetooth Dongle allows you to connect up to 7 different types of devices at once without interfering with each other, such as Bluetooth speakers, headsets, keyboards, mice, mobile phones, tablets, printers, etc, easy to connect and is ideal for leisure or work. USB Extension Cable: Adding a 45cm USB extension cable will not block the USB interface and save space.The compact Bluetooth antenna can rotate 360°to get more powerful wireless transmission and signal reception from any angle. This means you won't have unexpected dropped calls or loss of signal quality Period. It can be disassembled freely and carried freely when you go out. Long Range Bluetooth Adapter: The Bluetooth USB adapter can provide an extended range of up to 150 meters, which means you can stay connected to your devices even when you're far away. This makes it an ideal solution for use in large offices, warehouses, or homes, where you need to stay connected over long distances. With our Bluetooth dongle, you'll never have to worry about losing your connection or being out of range. Plug-and-play Compatibility: This Bluetooth PC adapter is designed to be plug-and-play, which means you can simply plug it into your device and start using it right away without any drivers or software installation required. This makes it incredibly easy and convenient to use, whether you're using it with a desktop computer, laptop, or another compatible device. With Bluetooth adapter, you can enjoy seamless wireless connectivity without any hassle or extra setup. Latest Bluetooth 5.1 Chip: The USB Bluetooth adapter use the latest Bluetooth 5.1 chip, enhancing anti-interference ability and stability. Dual-mode support Bluetooth 5.1 low energy (BLE), decreases the transmission efficiency loss caused by the interference of the 2.4 GHz frequency band, and lowers the possibility of signal interruption, never loses connection!.