DETAILSFeatures: Hassle-Free Wireless Microphone System Multi-Source Audio Signal Mixing Ability Control Audio Levels from External Devices Wireless BT Music Streaming Ability Dual Fixed Frequency System Design Adjustable Rotary Controls: Echo, Tone, Volume: Mic 1, Mic 2 Wired Microphone Support (2) 1/4’’ Mic Inputs (2) 1/4’’ Mic Inputs RCA Audio (L/R) lnput/Output Jacks Rear Panel 1/4’’ Mixed Output Adjustable Antennas for Extended Wireless Range Includes Handheld Wireless Microphones Rugged Microphone Construction & Steel Mesh Grill Convenient ON/OFF/MUTE Power Switch Battery Operated Mic, Requires (2) 'AA' Batteries, Included Ultra-Wide Frequency Range Ideal for speech, Karaoke, DJ Sound & House Party Audio Bluetooth Connectivity: Simple & Hassle-Free Pairing Works with All of Your Favorite Devices (Smartphones, Tablets, Laptops, Computers, etc.) Wireless BT Network Name: 'PYLEUSA' Wireless BT Version: 4.2 Wireless BT Range: 32’ ft What's in the Box: (2) Handheld Microphone (1) 3.5 Double Lotus Conversion Cable, 59.1’’ -inches (1) 6.35 to XLR Male, 118’’ -inches (2) Four Corner Ring (4) No. 3 1.5V AA Battery (1) Two Ends of 6.35 through the Machine Line, 39.4’’ -inches (1) Dual Channel Cable, 59.1’’ -inches (1) Two-pin (UL) Flat Plug Power Cord Technical Specs: UHF Addressable Frequency: 510-590MHz Wireless Operation Range: Up to 165’+ ft. Modulation Mode: FM Maximum Deviation: +/-75KHz Frequency Response: 80-18kHz (+/-3dB) Frequency Stability: 20ppm Audio Dynamic Range: >90dB S/N Ratio: >95dB T.H.D: 50dB LINE Input Sensitivity: 380mV/-8.5dB MIC Input Sensitivity: 5mV/-46dB LINE Input Impedance: 20 KO MIC Input Impedance: 600O Receiver Power Supply: 120/240V (18V/500mA Power Adapter) Mic Element: Dynamic Antenna: Built-in Housing RF Output: