Universal Bluetooth mini adapter for convenient, wireless data exchange between PC, notebook and other Bluetooth-enabled devices (e.g. smartphone, tablet, speakers, headphones, etc.). Particularly low power consumption. 128-bit AES encryption guarantees a secure connection between the devices. Use of two dongles enables direct data exchange between two computers. Bluetooth version 4.0 for fast data transfer (downward compatible with version 3.0, 2.1, 2.0 and 1.2). Class 1, range up to 100 metres. System requirements:. Operating system: Windows 11/10/8.1/8/7.