2Pcs VHF Wireless Bluetooth Karaoke Microphone Speaker 2 Handheld MIC KTV Player

Features: Signal stability,long-distance receiving has strong anti-jamming ability, stable signal and.  Distance,receiving distance of 30-100 meters.  No noise： Constant frequency, high-quality middlehead + high-quality sound filtering system, fundamentally solve the problem of screaming.  No distortion,strong pickup, clear voice, high efficiency anti-noise, 0 delay to make the whole voice smooth and undistorted.  Tunable,wide range of equipment support applications, as long as the device with microphone interface, can be connected to use.     Specification: Silent control:Lock Noise;  Frequency offset:±11kHz;  Frequency response:80Hz-15kHz;  Frequency stability:±0.005%;  Signal to noise ratio:>60dB;  Distortion:0.5% (1kHz);  Number of channels:two channels;  Sensitivity:-70dB M;  Use distance:50 meters in the open area;  Receiver power supply:DC 12V/320mA;  Transmitter power supply:AA battery;  Frequency range:200MHz-270MHz;  Output mode:independent and hybrid automatic selection;