Digital Media Receiver featuring Bluetooth / USB / Pandora / iHeartRadio / Spotify / 13-Band EQ / JVC Remote App CompatibilityAndroid™ Music Playback(AOA 2.0)Music playback via USB is possible with Android phones or tablets (version 4.1 or later). Not only does it let you play back audio files stored on an Android device*, it also supports music streaming. Use the receiver’s keys to control operations such as Play, Stop, Pause, and Skip all while keeping the device charged.Pandora / iHeartRadio / Spotify Control (Android)Listen to Pandora, iHeartRadio, and Spotify from your smartphone with smooth control on the receiver via Bluetooth for Android devices.K2 Technology for Enhanced Digital Sound QualityK2 is a JVC original technology that reproduces the original master sound by expanding the frequency range. For example, K2 will expand the digital data of the audio CD recorded at 44.1 kHz/16 bit to 192 kHz/24 bit. It is also possible to recreate the high-frequency range above 20kHz that is cut during the CD formatting.Time AlignmentBy selecting the speaker type and the distance to the center of the listening position, the receiver will automatically adjust the timing of the sound output from each of the speakers so that the sound from each of the speakers will arrive exactly at the same time to the listening position.