FT-80U wireless microphone with LED ambient light and DC 5V charging port

FT-80U FT STAR charging function wireless microphone led ambient light RECEIVERWorking current: <200mAFrequency range: 470-960MHzFrequency stability:<‡ 10ppmDynamic range:>105dBFrequency response: 40Hz-15KHzAudio output: 0-400mVSpurious suppression:>80dBMirror suppression:>80dBSensitivity: 50dBuVReceiving distance: 100MInput voltage: DC 5V 1AInput interface: Type-C USBBattery specification:3.7V 18650 lithium battery (rechargeable)TRANSMITTERFrequency range: 470-960MHZNumber of channels: 50 frequency points per channel, totaling 100 frequency points.Oscillation mode: DSP chip frequency lockingFrequency stability: + 10pmRF power: 10dBmAudio frequency response: 40-18000HzDistortion: s 0.5%Battery specification: 3.7V 18650 lithium battery2x1.5V dry batteryContinuous service time: 8-15 hours