2-channel UHF wireless microphone system that includes two wireless microphones, two different color coded rings (to differentiate each microphone) and a wireless receiver with individual volume control and audio input for each microphone. The WM-219 is designed for use in PA, karaoke, mobile entertainers, schools and houses of worship. It has a wireless range of 300 feet / 90M (line of sight) and each microphone has 6-10 hour battery life. It contains 2x Hand Held Wireless Microphones (AA batteries not included), 2x Microphone Colored Rings, 1x 2-Channel UHF Wireless Receiver, 2x Detachable UHF Antennas, 1x Power Cable, 2x Rack Ears to mount in 19-inch rack mount. Wireless Range: 300 ft. (90M) line of sight, Battery life with full charge: 6-10 hours, Frequency Range: UHF 863-865MHz, Dynamic Range: >98dB, Total Harmonic Distortion: <1%, Frequency Response: 50HZ ~ 14KHz 3dB, Signal to Noise Ratio: >85dB, Audio Output Level: 0-300mV (Balanced: 0-2V), Transmitting Power: +10dBM, Receiver Dimensions (LxWxH): 16.5”x9”x1.75” / 420x230x45mm, Receiver Weight: 1.5 lbs. / .68kg