UHF Multifunction Wireless Karaoke Microphone Portable Microphone System

Features: Far away, receiving distance up to 20-50 meters. Dual microphone without interference, no noise, suitable for many people to sing. Wireless microphone, singing more convenient, full of timbre. Plastic shell, showing the appearance of texture, lightweight, anti falling, no static. Heat treatment technology metal mesh head, prevent from falling, no distortion, built-in high efficiency filtration sponge, effective filtering noise. VRX noise reduction chip, automatic identification of ambient noise and removal of noise. Low consumption alkaline battery power supply design, environmental protection and energy saving. Equipment with microphone interface can be connected and used. Application: Stage, KTV, Family, Conference Presentation, etc. Note: Please allow a slight error due to manual measurements, thank you. Package Included: 2 x Wireless Microphone Speaker 1 x Receiver 1 x Audio Cable 1 x Transfer Head Specification Material Plastic Color White With LCD, Black Without LCD Type Wireless Power Supply 2x AA Battery(Not Include) Use Time 20h Microphone Size approx. 25 x 5.5 x 3.4cm Mute Control Noise Lock. Frequency Deviation 18kHz Frequency Response 80Hz-15kHz Frequency Stability 0.005% S/N Ratio > 70dB Transmitting power UHF 762.85 - 768.85MHz Total Harmonic Distortion 0.5 % (at 1kHz) Number of Channels 2 Channels Receiving Sensitivity -80dBm Operating Range 50m in Open Area Resonance Interference Rate > 50dB False Image Interference Rate >80dB Receiver Power Supply DC 12V/300mA Transmit Power + 10dBm Carrier Frequency Band UHF-H Output Type Separate and Mixed Output (auto-selecting)