Feature:1. Professional UHF wireless dual channel handheld microphone system.2. 863.5-865MHz frequency range.3. Adopts for single-chip circuit design.4. The working space availability up to 50m / 164ft in open-area.5. Suitable for stages, ballrooms Karaoke, families party, as well as for giving a speech, presentation, public address.6. frequency range to avoid the frequency interface, high performance, clear sound and transparent signal.7. Adopts for single-chip circuit design. The working space availability up to 50m / 164ft in open-area.8. One mic runs on 2 * AA batteries(not included), and the receiver powered by the attached adapter.Specification:Features:Professional UHF wireless dual channel handheld microphone system.frequency range to avoid the frequency interface, high performance, clear sound and transparent signal.Adopts for single-chip circuit design.The working space availability up to 50m / 164ft in open-area.One mic runs on 2 * AA batteries(not included), and the receiver powered by the attached adapter.Suitable for stages, ballrooms Karaoke, families party, as well as for giving a speech, presentation, public address.Specifications:Brand: BaomicModel: BM-U752--Comprehensive Performance:Dynamic Range: >90dBDistortion: <0.4%Frequency Response: 40~15KHz/±3dB--Receiver:Pick-up Pattern: CardioidS/N Ratio: >95dBmImage & Spurious Rejection: >80dBmReceiving Sensitivity: 7dBuVDe-emphasis: 75uSPower Supply: 100-240 EU/ US plug(optional)Size: 27 * 15 * 4cm / 10.6 * 5.9 * 1.6in--Microphone:Material: MetalTransmitter Power: 30mWModulation Type: FMDeviation: ±20KHzSpurious Emission: >50dBPower Supply: 2 * AA Battery(not included) for one micSize: 24.5 * 5 * 5cm / 9.6 * 2 * 2inPackage List:1 * Receiver2 * Microphone1 * 6.35mm Audio Cable1 * Power Adapter1 * User ManualNote:The batteries are not included.To avoid signal interference, 2 set(2 receiver) or above of this microphone system can not be used simultaneously.Package List:1 * Receiver2 * Microphone1 * 6.35mm Audio Cable1 * Power Adapter1 * User ManualNote:The batteries are not included.To avoid signal interference, 2 set(2 receiver) or above of this microphone system can not be used simultaneously.