So small, yet incredibly powerful. The USB 2.0 Micro Adapter with Bluetooth v4.0 technology enables a data connection between your PC or notebook and other Bluetooth-enabled devices in less than 5 milliseconds, maintaining this connection up to a distance of 50 meters. It allows for simultaneous connections with multiple devices and, due to its size, is a perfect companion for on-the-go use. The low power consumption of Bluetooth 4.0 technology significantly extends the battery life of laptop mice and headsets when using the BT0037.