Pyle Pro Audio Microphone System Handheld Wireless Mic & Receiver Adapter UHF Narrow Band Audio Transmitter Portable Battery-Operated Design Mic Adapter with Built-in Rechargeable Battery Digital Display with Selectable Mic Frequency Integrated Antenna for Extended Wireless Range Simple Plug-and-Play Operation Includes Plug-in Audio Adapter Receiver Audio Receiver with 1/4'' -inch (6.3mm) Jack Built-in Acoustic Pop Filter Integrated Low Noise Circuitry Ultra-Wide Frequency Response Noise-Eliminating SMT Technology Crisp Audio Clarity for Vocals & Singing LED Indicator Light Power ON/OFF Switch Rugged & Durable Mic Construction with Steel Mesh Grill Perfect for Professional Audio Stage & Studio Performances Directly Connects to Amplifiers, Stereos, Audio Processors, DJ Mixers Used for Home Karaoke, Classroom, Office & Business Applications. UHF NARROW BAND: These cordless microphones for singing feature UHF audio transmission for unsurpassed performance w/ high signal over noise ratio for clear, noise, distortion free, crisp vocal & excellent sound reproduction unlike low-grade VHF unit. AUDIO RECEIVER: The Pyle wireless microphone system includes a plug-in audio adapter receiver with ¼” (6. 3mm) jack. Features integrated antenna for extended wireless range. It directly connects to amplifiers, stereos, audio processors, and DJ mixer. BATTERY OPERATED: The wireless professional microphone features 2 AA battery operated design while the receiver has a 3. 7V rechargeable battery. Used for karaoke, classroom, office/business applications. Perfect for public audio & studio performances. ACOUSTIC POP FILTER: Features built-in acoustic pop filter which is a noise protection filter for microphones and an ON/OFF switch for easy control. Made of heavy-duty construction w/ steel mesh grill and Aluminum alloy metal that ensures its longevity. ULTRA-WIDE FREQUENCY: This wireless handheld microphone system features digital display w/ selectable mic frequency & broad audio response range w/ low distortion. Enjoy cordless singing to karaoke music & mobility for energetic on-stage performance.