Better Music Builder VM-92U G5 is a fifth generation wireless microphone that uses the latest UHF wireless technology. Its heavy duty design includes two handheld microphones with one 2-in-1 Base Module, built-in LCD panel on both microphones and base unit, aluminum alloy handles, and Wireless Infrared Auto Sync System.The VM-92U G5 Dual Wireless Microphones are equipped with a six-axis gyroscope sensor to be the most intelligent and energy efficient microphones. Utilizing the sensor, the new High Tech Auto-Mute feature integrated onto the microphones has the ability to automatically mute itself momentarily when dropped. This eliminates any unwanted noise in the event the user accidentally drops the microphone to the ground, providing a much more user friendly experience. The microphones also has the ability to activate “sleep mode” when left unattended, therefore greatly increasing the overall battery life.Each handheld microphone has 100 selectable channels in the 602.000 MHz to 652.000 MHz frequency range. It comes with a convenient portable mounting rack, making this system perfect for professional DJ’s and at KTV clubs, restaurants, coffee shops and churches, etc.FEATURESSix-axis gyroscope sensor integrated onto each microphone.Energy efficient microphones.High Tech Auto-Mute function activates when falling motion is detected.Sleep mode activates when microphone is left unattended.Equipped with the latest wireless technology and UHF dual-channel in a 2-in-1 Base.Clear LCD screen displays Radio Frequency, Volume, Channel, and Frequency.Wireless Auto Sync System technology makes setting up a breeze.Clear Voice technology delivers crystal clearer sound just like a wired microphone.100 selectable channels for each microphone!Adjustable antennas for better signal receiving.AA batteries for easy usage.Receiver Left / Right squelch knobs. TECH SPECSA. 2-IN-1 BASE MODULEChannel: 100 Channels (total 200 Channels)Frequency Range: UHF 602~652 MHzSignal to Noise Ratio: > 90dBTotal Harmonic Distortion: < 0.5%Band Width: < 250kHzFrequency Response: 30Hz~19kHz +/-3dBSensitivity: ＞100dBEffective Use Range: ＞50MReceiver Shell: EIA standard 1/2UReceiving Sensitivity: 2.0μVAudio Output Level: Unbalanced Out: 0~+/-400mV; Balanced Out: 0~+/-200mVPower Supply: DC 14V~22V with 500mA~1000mA, AC 120V (For 220V, you may need to change to a 220V~240V DC adaptor)Consume Power: 5 WattsReceiver Dimensions (WxHxD): 8.2 x 1.7 x 6 in /20.9 x 4.2 x 15.2 cmPackage Dimensions (WxHxD): 16.9 x 13.7 x 2.8 in /42.8 x 34.7 x 7.2 cmShipping Weight: 5.6 Lbs / 2.5 Kg B. HANDHELD MICROPHONETransmitter Power: 5mW or 10mW (Switchable)Osillation Mode: PLLHarmonic Radiation: ≤-50dBcFrequency Stability: ±0.005%，at 0～50℃Battery Voltage: 2 x AA 1.5V Alkaline BatteryContinuous Using: 8 Hours (GP) 2 x AA 1.5V BatteryPower: DC 2.4~4.8VMicrophone Dimensions (WxH): 10.3 x 2.2 (inches) / 26.2 x 5.7 (cm)UPC Code: 743062980933