Appearance modeling with ergonomic and aesthetic basis of the design: hand-held Wireless microphone tube body must have a palm-sized grip and the size of the shape, the general traditional tube were bamboo or trapezoidal, not only without …

Wireless microphone, also known as wireless microphone, which can restore and amplify sound, is more convenient than wired microphone and more and more popular with consumers. It is widely used in KTV, AV room and conference room. Perhaps …

Incompatible, when using wireless microphone, there is always interference between the system itself. Although each system has frequencies or intervals of several megahertz, Intermodulation Distortion (IMD) can still cause interference bet…