The Integrated KBSOUND Audio System that delivers exceptional sound quality and allows you to enjoy three music channels: Bluetooth Audio streaming, FM tuner and DAB (if applicable). Allows pairing with any Bluetooth device. The control is managed by our KBSOUND® STAR App, available on Apple App Store (iOS devices) and Google Play (Android devices). You may choose between the FM, DAB or Bluetooth Audio Streaming options using the STAR App or the Remote Control. Bluetooth signal reach is 10/12 meters. Each Master unit has a UNIQUE identifier and password to avoid interference between users nearby.