1、This is a 2.4GHz mini mobile phone live broadcast/interview wireless microphone system, this system is specially used for the wireless transmission of voice during live broadcast/interview on the street of mobile phones. The transmitter has a volume adjustment function 2、The microphone adopts a lavalier style, which is more convenient. The receiver is equipped with a mobile phone holder. Light and easy to carry. The transmitter is 40 grams and the receiver is 30 grams. Suitable for mobile phone video recording, street interviews, live broadcasters, micro-film production, etc. 3、Automatic pairing. Turn on the transmitter and receiver switches in 3meter, the indicator light flashes for 2 seconds and when the indicator light is always on and no longer flashes, the pairing is successful that can be used. 2.4GHz, working distance up to 20 meters 4、Easy installation. snap the receiver bayonet to the phone holder, connect the receiver to the audio jack of the one-to-two cable, install the phone to the phone holder, and connect the other end of the one-to-two cable to the phone 5、The product includes microphone transmitter, receiver, mobile phone holder, one‑to‑two mobile phone audio cable, belt clip, USB charging cable. Also comes with a nylon handbag, which can store your wireless lavalier microphone and accessories for easy carrying Item Type: Wireless Lavalier Microphone Material: Plastic + Metal Receiver: Frequency Range: 2.4GHz Frequency Binding Mode: Automatic frequency binding Frequency Response: 20Hz-20KHz Sound Output: 3.5mm Jack Signal-to-Noise Ratio: >85dB Distortion: <0.5% at 1 KHz Working Distance: Approx. 20meter / 65.6ftPower Specification: Lithium battery(built-in battery) Battery Capacity: 450mAh Total Current: 0dBm<70mA Power Duration: About 4 hours Transmitter: Frequency Range: 2.4GHz Linking Mode: Automatic linking Microphone Core Type: Capacitor Directivity; Omnidirectional (lapelier) Frequency Response: 20Hz-20KHz Transmitting Power: 10mW Power Specification: Lithium battery(built-in battery) Battery Capacity: 450mAh Total Amount of Electricity: 0dBm<70mA Power Duration: About 4 hoursTransmitter Weight: 40 g / 1.4 oz(approx.) Receiver Weight: 30 g / 1.1 oz(approx.)How to Use: 1. Plug the receiver into the MIC port of the amplifier, speaker and other audio equipment (if the port is 6.35MM, please use an extra plug) 2. Turn on the receiver power switch, the power indicator flashes 3. Turn on the transmitter power switch, the power indicator flashes, the transmitter and receiver automatically match. Once the match is good, the power indicator will light up steadily 4. Adjust the volume buttons to the appropriate sound 5. Wear the boom and enjoy using it 1 x Lavalier Microphone Transmitter 1 x Receiver 1 x Mobile Phone Holder 1 x Blowout Guard 1 x Adapter 1 x One-in-Two Mobile Phone Audio Cable 1 x Belt Clip 1 x USB Charging Cable 1 x User Manual 1 x Nylon Handbag