VocoPro VHF-3300 Dual Channel VHF Rechargeable Wireless Microphone System Dual antenna receiver/mic charger secures mics when not in use Squelch circuitry eliminates background noise and RF noise bursts Individual volume controls and 1/4-inch output for each mic channel Operation range of up to 150 feet with VHF quartz-lock for drift-free use Wireless microphone system includes receiver and two mics Please Note: Kindly refer the User Guide before use.