Specifications:Portable and lightweight, easy to carry.High sensitivity, long standby time.Suitable for SLR camera/camcorder/DV/computer/projector/recording pen, etc..It is not suitable for mobile phone.Item Name: MicrophoneMaterial: ABSPower Supply: CR2 3V Lithium Battery (Included)Pointing Features: Single Pointing x 2Frequency Response: 30-15000HzOutput Impedance: 200SNR: 76dB (1KHz at 1Pa)Sensitivity: -40dB2dB (0dB = 1V/Pa 1KHz)Maximum SPL: 120dB (1KHz Harmonic Distortion 1% T.H.D)Installation: Universal Hot ShoeConnection: 3.5mm Microphone PlugFeatures: Mini, Stereo Sound, PortableProduct Size: 22mm x 130mm/0.87" x 5.12" (Approx.)Cable Length: 25cm/9.84" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Microphone (Camera Not Included)