The SW320 Mity-Lite compact portable PA system is a 40 Watt system that can reach an audience size of 350 people in a room of size of up 1500 square feet and weighs only 6.5 lbs and allows maximum portability with its small pa system design. You can carry it, wear it, or set it on a tripod to use for powerful and clear sound that this plug and speak system offers. Features include TWO Digital 2.4 GHz wireless microphone receivers, and a built-in Bluetooth module that allows a user to stream music wirelessly with a Bluetooth® enabled device. The SW320 Mity-Lite comes with a wireless handheld mic, durable plastic enclosure and easy to operate controls. Aux IN/OUT connections for audio devices like smartphones, CD players or computers. A separate wired microphone connector with volume control is also located on control panel. The built-in rechargeable battery lasts between 5-8 hours (depends on volume) for use away from power outlets. Recharges in about 4.5 hours. It is also equipped with an intelligent charging system with built-in rechargeable battery that charges while in use with the AC power source.