2.4GHz Wireless Conference Microphone BOYA BY-BMW700 is ultimate boundary microphone system which consists of one condenser microphone and USB wireless receiver. Easy to set up and operate, it is ideal for video conference, seminars, corporate events. The BY-BMW700 receiver can be connected to a desktop or laptop computer. The Transmitter can pick up sound source within 10m radius range. It produces a natural and clear sound for better recording experience.