Mike and speaker all-in-one! New concept portable mike system, Realizing the freedom of wireless microphone and the stability of wired microphone One and only patented technology, convenient structure being held in one hand, and solid and clear sound Micker is optimized for classroom and lecture room environment and good to use for any internal and external activity of group meeting, such as academic institute, kinder garden, conference room, church and seminar, etc. Patented Technology: With sound reflector and fine diffuser, providing the robust and comfortable sound in classroom environment without any directional nature of sound Lecturing optimized all-in-one mike system Integral mike structure with howling suppressor.