This Audio2000's portable VHF PA system features a 3.3AH 12VDC Lithium-Ion Rechargeable Batteries for High Battery Capacity and Extended Battery Life which is perfect when you are on the road! This Audio2000's PA system also features a USB/SD card reader, one microphone input with volume control, master volume and tone controls, and one stereo line-out. The power rating on this portable PA system is 50 watts from peak to peak which is perfect for home use or small event. Don't miss out on this perfect portable VHF wireless PA system! It is less than 10 pounds which makes it easy to carry this portable PA system from location to location. This portable PA system comes with 1 handheld wireless microphone!