UHF 2×100 channel receiver for clear and stable signal transmission Digital Signal Processor for high-fidelity audio reproduction Infrared carrier-frequency synchronization for seamless pairing Super anti-jamming circuit design for interference-free performance Rechargeable battery handheld microphones for wireless convenience Super-low background noise ensures crystal-clear audio Microphone priority mode ideal for conferences, karaoke, and live performances Frequency auto-search feature to locate the best non-interfering frequency Wireless range: 164-262 feet, ideal for stage performances and business applications Dual-channel system allows two microphones to be used simultaneously Compatible with amplifiers, audio processors, DJ mixers, and home stereo systems