The sandberg nano bluetooth 40 dongle enables you to create a wireless connection between your computer and other bluetooth devices bluetooth standard 40 edr enhanced data rate csr bc8 rom chipset usb standard usb 20 hi speed connect devices within a range of up to 25 metres data rate 30 mbps frequency band 24 ghz ism band supports fhss frequency hopping spread spectrum security pairing encryption authentication multiple connections supported profile support advanced audio distribution profi