The Explorer DUAL Basic Package (EXP-BPDUAL) comes with a portable sound system that is small, lightweight, and easy to transport. It includes the EXP-8000U2 speaker which comes with two built-in 16 channel wireless receivers, your choices of two wireless microphones, and a speaker stand. It operates 6-8 hours on a single charge. There is a charging LED bar indicator, and two universal microphone jack inputs on the back. It also has a "Voice Over" music ducking feature. Use it at schools, sporting events, corporate events, places of worship, and more!