The SHARP PLAYER app works with HT-SB420 Smart Speakers. Control of HT-SB420 speakers directly from your mobile device. Use the SHARP PLAYER app for connecting the speakers to your WiFi network and your music streaming account, using the multi-room feature, controlling volume, selecting music, and pairing speakers.
"1.Use the Sharp Player app for connecting the speakers to your WiFi network and your music streaming account, using the multi-room feature, controlling volume, selecting music, and pairing speakers." "2.Including streaming services such as Spotify, internet radios such as iheartRadio or music saved on your smartphone, tablet or music server."