JUNLIN JLM03 Wireless Condenser Microphone Intelligent Noise Reduction Durable Smart Microphones

Parameters:Sensitivity: -45dBMaximum sound pressure level: 120dBFrequency response: 20-20kHzSignal to noise ratio: 65dBDirectivity: heart-shaped pointingBattery: 600mAhReference charging time: 2 hoursWorking temperature: 0C-35CReference usage time: wired 8h, wireless 3.5hCommon problem:Microphone light ring usage status indicationBlue: long bright wireless k song mode; flashing pairingGreen: long bright wired k song modeRed: long light off chargingOrange: Blinking low battery in wired k song modePurple: Blinking wireless karaoke mode low batteryLong bright wireless k song modeHow is the Smart Wireless Microphone Adapter used?The adapter is already set up at the factory, the adapter is plugged into the TV USB interface, and the TV speaker inputs the microphone sound.How to use if you need to re-pair?In the case of TV k song, the microphone and adapter can be used after pairing with the adapter. If you need to re-pair:1. Press the Volume+ and Volume- buttons at the same time. After the blue light flashes, the microphone enters the pairing state. (The microphone remains within 20 cm of the adapter)2. The adapter is unplugged and reinserted for automatic pairing. Note: The microphone automatically exits 20 seconds after entering the pairing state or presses the multi-function key to exit; when placing the pair, place the adapter in front of the TV as much as possible to ensure that there is no obstruction between the adapter and the microphone.Is there no sound after the sma