The Vivax portable karaoke speaker BS-500 provides a multitude of functions to enjoy your favorite music. It is equipped with an AUX input, it can be connected to your smart device via Bluetooth connection, FM radio function, USB slot for playback or the option of charging the connected device, the maximum output power of the amplifier is 50 W RMS, the battery capacity is 4000mAh and can be enjoyed up to 12 h in music at medium volume. In addition to all of the above, with a wireless microphone, it is also possible to try the excellent karaoke function of this device, all with a changing LED light synchronized with the rhythm of the melody.