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 Material: Zinc Alloy Microphone Parameters: Frequency Range: 610.50-669.50MHz 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 Oscillation Mode: DSP Chip Frequency Lock Frequency Stability: 10ppm RF Power: 10dBm Sound Frequency Response: 40-18000Hz Distortion: 0.5% Battery: 2 x AA Batteries (Not Included) Receiver Parameters Frequency Range: 610.50-669.50MHz 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 Oscillation Mode: DSP Chip Frequency Lock Rate Stability: 10ppm Receiving Sensitivity: -95 To -71dBm Sound Frequency Response: 40-18000Hz Distortion Rate: 0.5% Signal To Noise Ratio: 90dB Sound Output: 350mv(Maximum) Battery Type: Lithium Battery Battery Capacity: 1200mAh (Included) PackageList2 x 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