ITEM NAME:Professional Ultralight Stereo Microphone Super Low Noise Cardioid Digital G1F1 Professional Ultralight Stereo Microphone Super Low Noise Cardioid Digital G1F1 Name: Photographic microphone Size: 90*28*60mm Power supply: external power supply (no battery required) Voltage: 1v-10v Weight: about 29g Colour: Black Material: ABS Unidirectional feature:single point x1 Access mode : 3.5mmmicrophone jack,plugged into the headphone plug Power supply:external power supply Frequency response :100-16000Hz Sensitivity :-42 3dB rl=680Ω Vs1.5(1KHz 0dB=1V/Pa) Output impedance: 1-2.2KΩ Current consumption: Max.0.5mA Voltage: 1V-10V Maximum sound pressure: 110dB S.P.L Sensitive reduction: 2.0v-1.5v sensitivity change is less than 3dB This product supports mobile phone camera universal, plug and play, no need to install battery, convenient and fast. The product is small in size and more convenient to carry. 1) universal compatiable with Smartphone and all 3.5MM DSLR camera 2) No need any Li battery inside . just insert with smartphone and camera then work directly , mini protable for easily taking it 3)Can be disassembled and switched over for use on mobile phones or cameras 4)32g weight only , similar size like BANK CARD . can put into pocket 5)High Sensitivity A wide range of ratings, recording effects are very professional, use mobile phones or cameras for video recording anytime, anywhere, will not miss any exciting moments Package Contents: 1* Microphone (included Windproof Cotton) 1* 3.5mm audio output cable(For cameras, camcorders, audio recorders and other audio/video recording devices.)