Features 1.PLUG AND PLAY: Wireless microphone has a wide range of intelligent compatibility, suitable for most sound devices, convenient plug and play. 2.NOISE REDUCTION: Dual wireless microphone built in DSP intelligent noise reduction chip, anti interference anti whistling, high resolution vocals. 3.U BAND DESIGN: Wireless microphone adopts U band design, support multiple simultaneous use, no crosstalk, strong anti interference. 4.DYNAMIC MIC: Wireless microphone system adopts moving coil microphone core, clear and full vocals, HiFi sound quality. 5.APPLICABLE SCENARIOS: Handheld dynamic mic system is suitable for karaoke, online live broadcast, outdoor singing and other scenes. specificationItem Type: Wireless Microphone System_x000D_ Material: Zinc Alloy_x000D_ Microphone Parameters:_x000D_ Frequency Range: 610.50-669.50MHz_x000D_ Number Of Channels: A, B Channel Each 30 (Conservative Value) Each Time The Pairing, ID Code Randomly Change, Within The Frequency Range Set By The Manufacturer_x000D_ Oscillation Mode: DSP Chip Frequency Lock_x000D_ Frequency Stability: 10ppm_x000D_ RF Power: 10dBm _x000D_ Sound Frequency Response: 40-18000Hz_x000D_ Distortion: 0.5%_x000D_ Battery: 2 x AA Batteries (Not Included)_x000D_ Receiver Parameters_x000D_ Frequency Range: 610.50-669.50MHz_x000D_ Number 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_x000D_ Oscillation Mode: DSP Chip Frequency Lock _x000D_ Rate Stability: 10ppm _x000D_ Receiving Sensitivity: -95 To -71dBm _x000D_ Sound Frequency Response: 40-18000Hz_x000D_ Distortion Rate: 0.5%_x000D_ Signal To Noise Ratio: 90dB_x000D_ Sound Output: 350mv(Maximum)_x000D_ Battery Type: Lithium Battery_x000D_ Battery Capacity: 1200mAh (Included) PackageList2 x_x000D_ _x000D_ WirelessMicrophone 1 x Receiver 1 x Instruction Manual 2 x Anti Slip Ring 1 x 6.35mm to 3.5mm Adapter 1 x Charging Cable