Isn't it annoying that when you sing or speak, the microphone literally needs to be in your mouth? Because the RWM72U uses a higher sensitivity cartridge with excellent performance and sound quality, it were able to prevent that.
We needed a microphone system that would allow you to move around and hop around while being far from the receiver without any dropouts or cutouts. This microphone system truly shines whether performing on stage or giving speeches. You won't ever need to worry about reliability.
We desired a highly effective microphone with a long battery life. Themicrophones' batteries last for 10 hours!
A noise filter that blocks undesired background or popping noises was introduced since we wanted to make sure the microphone did not emit any unwanted noise.
There are individual volume controls for each microphone. If you want to connect the RWM72U to a single mixer channel where you can manage the mic mix, it also includes a mix output. Additionally, there are independent outputs, allowing you to connect Mic A to one mixer channel and Mic B to another, if you want to use two different sound mixes on each microphone.

Features:

Digital Display for the Rockville RWM72U Dual UHF Wireless Handheld Microphone System
Long range and high performance
Includes two portable microphones and a microphone receiver.
Sensitivity-enhancing cartridge
Unidirectional
Cardioid polar pattern for wireless
Design of a dual filter to reduce feedback and interference
Enduring composite microphone design with the renowned soft rubbery covering
Microphones with color coding
LCD screen
Longer battery life thanks to low power usage
A central microchip controls the most recent UHF digital technology to guarantee consistent voice quality.
(2) Separate XLR outputs for each mic mix if you want to control it separately.
Individual microphone volume controls, with a combined 14" TRS output to control both mics through one mixer channel.
A universal 110/220 volt auto-switching power supply

Specifications:

Operating Range: 250´- 350´(indoor), 200´- 300´(outdoor)
Frequency Range: 500MHz-599MHz
Frequency Stability: ±0.005%
Modulation Mode: UHF
Frequency Response: 50Hz-16KHz (±3 dB)
Dynamic Range: 110dB
S/N: 90dB
T.H.D: Audio Output Impedance: 600?
System Distortion: ?0.5%
Sensitivity??2?V
Power Voltage: AC110V-240V 50/60Hz
Operating Temperature: 14°F-122°F
Mic Battery Operating Time: up to 10 hours
Power Supply: 1.5V×2
Warranty: 1 YEAR AUDIOSAVINGS

Package Includes:

Mic receiver
(2) handheld mics
(1) Power adapter
(1) 5 ft ¼? to ¼? Connecting cable
(4) 1.5V AA batteries
(2) Antennas