Feature:1. WIDE COMPATIBILITY: Wireless microphone system has a wide range of intelligent compatibility, suitable for most of the sound equipment, convenient plug and play.2. INTELLIGENT NOISE REDUCTION: Wireless microphone system built in DSP intelligent noise reduction chip, anti interference anti whistling, high resolution vocals.3. U BAND DESIGN: Wireless dynamic microphone adopts U band design, supporting multiple simultaneous use, no crosstalk, strong anti interference.4. SUPERIOR SOUND QUALITY: UHF wireless microphone adopts moving coil microphone core, clear and full vocals, hifi sound quality.5. WIDE APPLICATION: Wireless microphone system is suitable for karaoke, online live broadcast, outdoor singing and other scenes.Specification:Item Type: Wireless Microphone SystemMaterial: Zinc AlloyMicrophone Parameters:Frequency Range: 610.50~669.50MHzNumber of Channels: 30 Each for a and B Channels (Conservative Value) ID Code Changes Randomly Each Time It Is Paired, Within the Frequency Range Set by the ManufacturerOscillation Mode: DSP Chip Frequency LockFrequency Stability: 10ppmRF Power: 10dBm Sound Frequency Response: 40~18000HzDistortion: 0.5%Battery: Two AA Batteries (Not Included)Receiver Parameters:Frequency Range: 610.50~669.50MHzNumber of Channels: A, B Channel Each 30 (Guard Value) Each Time the Pairing, ID Code Randomly Change, In the Frequency Range Set by the Manufacturer.Oscillation Mode: DSP Chip Frequency Lock Rate Stability: 10ppm Receiving Sensitivity: -95~-71dBm Sound Frequency Response: 40~18000HzDistortion Rate: 0.5%SNR: 90dBSound Output: 350mv(Maximum)Battery Type: Lithium BatteryBattery Capacity: 1200mAh (Included).Package List:1 x Microphone1 x Receiver 1 x Instruction Manual1 x Anti Slip Ring1 x 6.35mm to 3.5mm Adapter1 x Charging Cable