Get your party started with the karaoke party speaker with color-changing front. Play your favorite songs wirelessly via your smartphone or other Bluetooth device. The speaker is compatible with both iOS and Android devices. This karaoke set has multiple inputs: Bluetooth, USB, TF card, FM radio and AUX. With the built-in battery you can take this karaoke set anywhere and give you hours of karaoke fun! Included in the box are: the speaker, microphone, micro-USB charging cable and an AUX cable. The smooth color changing effect puts you in the right mood for your karaoke party. “This product works on USB. A (230Volt > 5Volt) USB adapter, such as the charging plug of your mobile phone, is not included. You can also connect this product to any other 5Watt USB port.