The Atlas AL-MYNA-NEST is the charging station for the AL-MYNA wireless infrared microphone. The base can charge up to 2 AL-MYNA wireless microphones at the same time and can even be shelf mounted. The base station includes LED indicators, red meaning it is charging and green meaning it is fully charged. The unit can charge two additional sets of rechargeable batteries in the front battery storage compartment so that you always have charged batteries on hand.