Rechargeable Wireless Mic Built-In Chargers for both Microphones Charger LED Indicator Professional VHF Wireless System Two Microphones Included Detachable Mic Antenna Audio Mute Circuitry For Quiet Operation Multi-Function 2 Color Display Dual Volume Controls XLR and 1/4'' Mixed Outputs Operation Range: Up To 90 ft. Batteries and 1/4'' Audio Cable Included Dimensions: 2.08""H x 12.83""W x 7.87""D 110V/220V Selectable Sold as : Unit Built-in chargers for both microphones^Audio mute circuitry for quiet operation