Features 1.BUILT IN SOUND CARD: HiFi wireless microphone has a built in professional sound card with a variety of sound effects, which makes it easy to control the whole scene for singing and live broadcasting. 2.MULTIFUNCTION LCD SCREEN: Handheld wireless microphone adopts multifunctional LCD screen, displaying power, signal, frequency, etc., the working status is clear at a glance. 3.ONE BUTTON SWITCHING OF EFFECTS: Wireless microphone can be switched to special effects with a single click in the power on state. Warm up effects are laughter, applause, embarrassment, kiss. 4.NOISE CANCELING: Handheld mic system adopts high efficiency DSP chip, which implements precise processing of sound, original sound reproduction and strong stereo sense. 5.STRONG SIGNAL: Wireless mic is muted by one key, easy to cope with various occasion. Strong signal, barrier free up to 50m / 164ft, stable for indoor and outdoor use. 6.HIGH SENSITIVITY: Dynamic mic system adopts HiFi microphone core, cardioid pointing, more focused reception effect, high sensitivity, and greatly suppresses whistling. 7SUPPORTED DEVICES: Wireless mic can be connected to devices with 6.35 microphone jacks, supporting all speakers, amplifiers, DVD amplifiers, TV sets, etc. specificationItem Type: Wireless Microphone Material: ABS Receiver Parameters Frequency Range: 635-685MHZ RF Bandwidth: 50MHz Number Of Frequency Points: 48 For Single Microphone, 2 x 48 For Double Microphone Signal To Noise Ratio: 96dB Receiving Sensitivity: -95dBm Frequency Response: 50Hz-18KHz Distortion: 0.05% Dynamic Range: 96dB Receive Delay: 2.5ms Battery Type:Li Ion Battery Battery Type:18650 Battery Capacity: 1200mAh (Included) Microphone Parameters Microphone Core Type: Moving Coil Pickup Mode: Cardioid Pointing Frequency Range: 635-685MHZ RF Bandwidth: 50MHz Frequency Points: Single Microphone 48, Double Microphone 2 x 48 Transmit Power: 10mW Frequency Response: 50Hz-1 8KHz Dynamic Range: 96dB Harmonic Radiation: