Description:Features:Omni-Directional design is flexible and operation range can up to 20mIt brings you convenience in teaching, conference, monitoring, etc.Install batteries into both transmitter and receiver. Switch on them, the connection will be built easily. With LED indicators.It is designed for vocal or video use and provides clear and accurate voice recording experience to the user.This professional microphone is suitable for film, interviews, television, auditorium and classroom setting, and wherever it may be necessary to record audio in broadcast quality.Newscaster-style design provides effective omni-directional pickup pattern.The receiver and the transmitter are lightweight and simple menu for easy operation.Descriptions:Perfect in every possible recording scenario, giving the user both the flexibility and the range needed.The setup is as easy as plugging the microphone into the phone and clip it on to your lapel.It performs significantly better than majority of the built in microphones, making it ideal for all sorts of recording; indoors and outdoors. Operation instructions:1. open the bottom cover of the transmitter, load the battery and close the bottom cover.2. insert the connecting line of the microphone into the transmitter hole.3. open the battery slot of the receiver, load the battery, and then turn it off.Turn all receiver switches on and operate until the indicator lights are on.Note:1) If the sound is high or low, first consider replacing the battery, if invalid, please send it to the designated maintenance center. 2) if the product is not used for a long time, please remove the battery.3) If the microphone is too close to the receiver, it will cause considerable noise, and then damage the product, so please try to control the good.Specification:Model: WR601Material: plasticColor: blackOperation Frequency: 114-116MHzEffective Distance: 20mTransmitter Power: 1x 6F22 9V battery ( not included)Transmitter Size: 100mm x 63mm x 21mmReceiver Power: 1 x AAA 1.5 battery (not included)Receiver Size: 72mm x 44mm x 14mmPackage Included:1 x Transmitter1 x Receiver1 x Clip-on Microphone1 x User ManualNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Due to different personal measuring techniques, there might be 1-3mm error of the physical. Thank you!