KTV Professional Dynamic Microphone Wireless capability provides a stronger clearer signal and better sound qualitySpecificationsProduct: Wireless Microphone SetMicrophone Type: DynamicApplicable Objects: Conference, Stage, KTV, Home, Lecture, Teaching, Singing, Performance, LectureMute control: lock noiseFrequency deviation: ± 11kHzFrequency response: 80Hz-15kHzFrequency stability: ± 0.005%Distortion: 0.5% (1kHz)Number of channels: two channelsSensitivity: -70dB MOperating distance: 50 meters in open areaReceiver power: 3VTransmitter power: AA batteryTransmit power: 20mWFrequency range: 200MHz-270MHzOutput method: independent and mixed automatic selectionPackage Includes:2 * Wireless Handhold Microphone1 * Mini Receiver1 * Adapters1 * Charging CableWireless MicrophoneWireless capability provides a stronger clearer signal and better sound quality, reducing the possibility of interference and dropouts. The microphone is high sensitivity, wide frequency, ensures maximum gain before feedback. It provides low handling noise sensitivity, high gain before feedback and brilliant sound quality.Free from WireLong-distance receiving capability, effective distance within 50 meters. Wireless microphones will allow you to do active performances like wedding, speeches or religious events on the stage with great mobility. It will enhance your freedom in the activities.Microphone HeadThe microphone head is constructed of premium metal mesh, which is compression-resistant and durable. Using thickened muffler cotton with a thickness of 5mm to help eliminate environmental noise and prevent howling suppression.Plug and PlayCompatible with devices with MIC interface, the receiver is portable and easy to store. Can use multiple sets of machines at the same time, no serial frequency, no howling (Note: some devices require adapters to use.)Widely UseReceiver built-in Rechargeable battery, long-lasting battery life, and compatible with a variety of devices with frequency input interface, amplifier, mixer, drawbar speaker, DVD, karaoke machine, home theater, etc. (Note: If you use a computer and TV to connect, you must have an independent audio or power amplifier.)