- For telephony on a Gigaset SL400H handset (with Bluetooth)
- For music playback under Linux (with USB dongle)
- For music playback under Windows 7 (with the USB dongle)
Everything worked right away. Sound quality is above excellent in every application. Can only recommend the part. Especially since it is relatively at discount prices. Compared to eg telephony-only headsets that then not even able to play normal music.