The Gembird BTD-MINI5 is a compact USB Bluetooth dongle designed to add wireless connectivity to your computer. Utilizing the CSR 4.0 chipset and Bluetooth version 4.0, it allows you to connect peripherals like headphones or mice via a standard USB 2.0 port. This adapter operates within the 2.4 to 2.5 GHz frequency range and can transfer data at speeds up to 24 Mbps. Its internal antenna provides a gain of 0.8 dBi, which helps maintain a stable signal across an open-air distance of up to 50 meters with a sensitivity of -84 dBm. Measuring just 22 x 15 x 7 mm and weighing only 3 g, the device is small enough to stay plugged into your laptop during travel without risking damage or adding bulk. It is compatible with Windows 10, making it a practical choice for users who need a simple way to link their wireless devices to a PC.