· The wireless microphone group has the advantages of strong anti-interference, omnidirectional clear sound pickup, compatible with most mobile phones / cameras / laptops, etc. Rechargeable and wireless, the transmitter and receiver are powered by built-in lithium batteries. omnidirectional pickup mode, high pickup sensitivity and excellent sound quality make your speech or singing more clear, can be used for outdoor broadcasting and recording short videos. Intelligent noise reduction, easy to deal with a variety of noise environment, use without worry, to meet your needs all day long. No APP, plug and play, one-click connection, simple and easy to use. Volume is mini, easy to carry.