Specification: Item 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) Features: 1PLUG AND PLAY: Wireless microphone has a wide range of intelligent compatibility, suitable for most sound devices, convenient plug and play. 2NOISE REDUCTION: Dual wireless microphone built in DSP intelligent noise reduction chip, anti interference anti whistling, high resolution vocals. 3U BAND DESIGN: Wireless microphone adopts U band design, support multiple simultaneous use, no crosstalk, strong anti interference. 4DYNAMIC MIC: Wireless microphone system adopts moving coil microphone core, clear and full vocals, HiFi sound quality. 5APPLICABLE SCENARIOS: Handheld dynamic mic system is suitable for karaoke, online live broadcast, outdoor singing and other scenes. PackageList: 2 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