Dual UHF Wireless Microphone Mobile Phone One for Two Live Broadcast Home Conference Audio TV Computer Microphone with b

Features 1 Dual UHF Wireless Microphone with bluetooth Receiver No Need To Set Just Plug and Use Perfect for Karaoke Speech Meeting Performance Indoor or Outdoor 2 1 4 Inch 6 35mm Receiver Input designed for Outdoor Karaoke Speaker PA Speaker System Power Amplifier etc K380A not for bluetooth Speaker Phone PC The Receiver can not search and connect with other bluetooth Devices We only can use phone to search and connect the Receiver to play background music Receiver can transfer both voice and music signal to speaker3 Microphone and Receiver use UHF Connection Technology Indoor range 50ft Outdoor range 100ft Receiver with bluetooth to play background music BT Range 16ft 33ft Outdoor Frequency Response 50Hz 15kHz SNR 60dB 10 UHF variable channels CH01 CH10 4 Microphone use 2 x AA batteries Not Included bluetooth Receiver Built in rechargeable Lithium battery Specifications Frequency deviation ±11kHzFrequency response 80Hz 15kHzFrequency stability ±0 005 Signal to noise ratio 60dBDistortion 0 5 1kHz Number of channels two channelsSensitivity 70dB MUse distance 50 meters in open areaReceiver power supply DC 12V 320mATransmitter power supply AA battery not Included Transmitting power 20mWFrequency range 200MHz 270MHzOutput mode independent and mixed automatic selection Launcher Frequency stability ±0 005 Carrier output power ≤30mWStray radiation suppression 40dBModulation method vhfMaximum modulation degree ±75KHzPickup metho