Product Description Working distance: 30 meters + (straight line visible distance without obstacles) Audio Frequency Response: 35Hz~20kHz Stereo Audio sampling rate: 24kHz Delay: 23 ms Working hours: 6 hours Standby time: 30 days Charging: Type-C port, fully charged in about 1 hour. Battery Capacity: 80mah polymer battery Wireless distance: 20m accessible connection distance; Product Features: wireless recording, stable 2.4G wireless high performance signal; Microphone head: 360° high sensitivity fully directional capture microphone head, fast response, delicate sound collection, captures all the details of sound. Noise reduction sponge: using high density anti-spray noise reduction sponge to reduce the interference of the surrounding environment; - Easy to use: plug and play, easy to operate, paired automatically inserting the receiver when connected Functions: Applicable scenarios: short Vlog video recording, live streaming, online teaching, karaoke recording, interview recording, etc. Direct connection of wireless remote control, 14 grams compact and portable. Low power design, battery life of more than 7 hours, enough capacity of battery compartment, can charge the microphone more than 3 times. Plug and play, fast pairing. The reduction and clarity of the sound are both very good. Low latency, synchronized live streaming of audio and video. The low battery indicator flashes red to remind and switches off automatically. Instructions for use Switch: Short press the switch button, and the white light will flash after 1 second of switching. Pairing: After briefly pressing the power button, press the power button for about 8 seconds and the white light will flash (note: a long press will appear for 3 seconds). The white light will flash and keep on until it turns on flashing again), then insert the receiver into your phone or other device, and the receiver's green light will flash. After connecting to the transmitter, the green light remains on and the transmitter is switched off. Mute: After the successful connection, press the power button on the transmitter briefly to enter mute mode, and the white indicator light will remain on. Currently, the other party cannot hear your voice. Press short to release the silent, white alarm sound again. Turn off the lights and power: When the power is on, press and hold the power button for 3 seconds, and the white light will flash twice Warning: As long as the transmitter and receiver are paired, they will connect automatically the next time they are turned on 2) Indicator Description: Initiator Turn on: The white light is on for 1 second. Power off: The white light flashes twice. Pairing: flashing white light Successful connection: white light off, silent state: white light on continuously Low battery status: slow flashing white light Recipient: Pairing: green light flashing, successful connection: green light on continuously