MASINGO Presto G2 Bluetooth Karaoke Machine can be used by adults or children. MASINGO can be used as a portable pa system and karaoke machine. Whether you are performing solo or in a duet, the unit comes with a 2 UHF, 15 watt wireless microphones. Microphones can recharge directly on the karaoke stand and feature individual displays, volume adjustment, echo, & EQ for personalized experience. MASINGO machine features 6 playback modes: Bluetooth, USB, AUX, TV audio, Micro-SD, or PA portable. LED color light up ring at the front of the machine turns every party into a dance party. Built for convenience this lightweight machine is easy to transport and comes with a built in phone stand. Battery will last up to 3 hours on the karaoke machine and up to 2 hours on a wireless microphones providing you and your guests with ample time for fun.