Wireless Microphone Market Size, Share & Industry Analysis, By Type (Handheld, Bodypack, and Tabletop), By Frequency (Ultra-high Frequency, Very High Frequency, 2.4 GHz, and Others), By Application (Auditorium, Theaters, Studios; Shopping Malls, Hotels, Restaurants, Bars, Large Retails, Malls; Parking Lots, Airports, Bus Stations; Education Institutes and Universities; Offices, Conferences Rooms; Sportlokale, Stadion, öffentliche Versammlungen, Konzerte, Bühnenshows;