< p> Specifically designed for digital music, the MVH-S120UI connects directly to your Apple or Android* smartphone and other devices via the front USB or Aux-In. This way you can listen to your favourite tracks, while charging the battery.< br> < br> < br> < br> *Android smartphones require Android 5.0 or later, up to 7.1.2, and the smartphone requires AOA (Android Open Accessory) 2.0.< br> < br> < br> < br> This short chassis stereo includes an on-board MOSFET 50 W x 4 amplifier, and for further expansion, it also has 2 RCA pre-outs at the back of the unit, allowing you to install extra amplifiers, speakers or subwoofers.< /p>