Wireless Microphone System Handheld LED Mic Speaker with Portable USB Receiver for KTV Speech Amplifier Recording

Please note, this item ships from an international seller. Expected delivery is 10-15 days.Free frequency modulation, adopts UHF 676MHz to 607 MHz frequency band, strong anti-interference, applied to Karaoke, party, business meetings, speech or other outdoor and indoor activities.Features:Wireless handheld microphone system for karaoke, party, business meetings, speech or other outdoor and indoor activities.Adopts UHF 676MHz to 697MHz frequency band (channel A: 677MHz-686MHz; channel B: 687MHz-696MHz), strong anti-interference.With automatic mute and shock elimination circuit avoiding the impact and noise of the switching, extremely high pick-up sensitivity and fine tone quality make your speech or singing more clear.The wireless transmission distance is about 30 to 50 meters, multiple devices can be used simultaneously without interference or frequency hopping.Specifications:Microphone quatity: 1pcs, 2pcs (optional)Frequency response: 676-697MHzOscillator: DSP chip frequency lockFrequency stability: ±10ppmDistortion: ≤0.5%Sensitivity: -95 to 71dBmSound frequency: 40-18000HzSNR: ≥ 90dBRF power: 10dBmAudio output: 1/4" unbalanced output 300mVReceiver battery: 3.7V, 150mAhMicrophone battery: 2 * AA battery (not included)Receiver size: 125 * 35 * 20mm / 4.9 * 1.4 * 0.8inReceiver weight: 49g / 1.7ounceMicrophone size: 230 * 40mm / 9.1 * 1.6inTransmitter weight: 203g / 7.2ouncePackage size: 285 * 140 * 100mm / 11.2 * 5.5 * 3.9inPackage weight:1pcs Microphone: 470g / 1.0lb2pcs Microphone: 670g / 1.5lbPackage list:1pcs Microphone:1 * Microphone1 * Receiver1 * Antenna1*  USB Cable1 * 3.5mm Converter2pcs Microphone:2 * Microphone1 * Receiver1 * Antenna1*  USB Cable1 * 3.5mm Converter

Wireless handheld microphone system for karaoke, party, business meetings, speech or other outdoor and indoor activities.Adopts UHF 676MHz to 697MHz frequency band (channel A: 677MHz-686MHz; channel B: 687MHz-696MHz), strong anti-interference.With automatic mute and shock elimination circuit avoiding the impact and noise of the switching, extremely high pick-up sensitivity and fine tone quality make your speech or singing more clear.The wireless transmission distance