Features Desktop Wireless Microphone System PA Public Address Mic Audio Control Receiver Home Theater & Office Karaoke-Style Vocals UHF Narrow Band Audio Transmitter Includes (4) Beltpacks & (4) Headset Mics Portable Battery-Operated Headset Bodypacks Bluetooth Wireless Music Streaming Ability Convenient Microphone Voice-Over Talk-Over Ability via Bluetooth Streaming Music with Microphones Digital Display with Selectable Mic Frequency Integrated Antennas for Extended Wireless Range Simple Plug-and-Play Operation Integrated Low Noise Circuitry Ultra-Wide Frequency Response Noise-Eliminating SMT Technology Crisp Audio Clarity for Vocals & Singing Connect & Stream Audio to External Devices 1/4'' -inch (6 3mm) Wired Microphone Input Rear Panel 1/4'' -inch (6 3mm) Unbalanced Mixed Output Rear Panel Aux (3 5mm) Audio Input/Output Jacks Audio Configuration Echo / Music / Vol Adjustment Independent Channel Volume Control Power ON/OFF Switch AF & RF Signal Frequency LED Indicator Lights Perfect for Professional Audio Stage & Studio Performances Directly Connects to Amplifiers Stereos Audio Processors DJ Mixers Used for Home Karaoke Classroom Office & Business Applications Bluetooth Connectivity Simple & Hassle-Free Pairing Instant Wireless Audio Streaming Ability Play Music Directly from Your External Device Works with Smartphones Tablets Laptops Computers Bluetooth Network Name ‘Pyle' Bluetooth Version 4 2 Wireless Range Up to 32'+ ft What's In The Box Microphone Receiver Base (4) Wireless Beltpack Transmitters (4) Headset Microphones RCA-to-Aux (3 5mm) Cable 4 6' ft Aux (3 5mm) Audio Cable 3 3' ft 1/4'' -inch (6 3mm) Audio Cable 3 3' ft Power Adapter Technical Specs Wireless Operation UHF Band Transmitter Microphone Element/Type Dynamic Pickup/Polar Pattern Uni-Directional Wireless Operating Range Up to 165'+ ft Sensitivity 2/MV S/N Ratio >95DB Transmitted Power 10mW Dynamic Range >95DB Distortion Construction Material Metal Alloy Receiver Base Engineered ABS Beltpacks Battery Operated Beltpacks Require (2) x ‘AA' Batteries Not Included (Each) Power Supply 120/240V (12V Power Adapter) Beltpack Transmitter Size (L x W x H) 2 6'' x 1 1'' x 3 6'' -inches (Each) Mic Receiver Base Size (L x W x H) 7 5'' x 3 6'' x 1 7'' -inches Sold as Kit Weight 3 74 lbs