Specification Title:BOYA BY-M1 Pro II Universal Lavalier Microphone- No Need BatteriesBrand:BoyaWarranty Period2 YearsWarranty TypeBrand WarrantyMaximum SPL110dBOutput Connector3.5mm TRRSWeight58gSignal-to-Noise Ratio78dBTypeLavalier MicrophoneSensitivity-30dB ±3dBGain ControlYesPolar PatternOmni-directionalModelBY-M1 Pro IICable Length6 metersPower requirementNo battery neededFrequency Response50Hz - 20KHzCompatibilitySmartphones, Cameras, PCsCountry of OriginChina