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Smart wireless live clip mini microphone RK-C104, plug and play, no app, portable clip style, new 2.4G wireless technology, 20 meter wireless transmission, intelligent noise reducing system, filtering the noise in the environment, high-sensitive condenser microphone, 360 °ultra-hd pickup voice, compatible with Android / Apple system, built-in high-capacity battery, type-C fast charging, 10 hour battery life,real-time ear back monitoring, supporting Bluetooth accompaniment function, with reverberation repair, RK-C104 is suitable for webcast, video vlog shooting, interview recording, program interview, online class teaching, song recording and other scenes. Mini ,light and easy to carry. It's such a good radio equipment,Hurry to buy it,please!