Features 1、Using mid-side stereo sound pickup system, stand out in video or sound recording, pick up the natural sound, and transmit ultra-clear stereo sound quality. 2、High sensitivity and wide frequency response, you can set up the sound pickup pattern from 90° to 120° according to the sound source or individual demands. 3、Super long standby time, using a 3V CR2 lithium battery to work long hours. 4、Widely compatible for the video and recording equipment with general hot boots. 5、Small and light, easy to install, fixed with standard cold boots and 1/4 screw hole, can be directly installed on cameras or other suitable mounts. Specification Description: This is a miniature camera microphone which is specially designed for digital video devices. It is compact and light, along with mid-side stereo sound pickup system, the microphone will pick up stereo sound efficiently. The receiver bandwidth is wide and smooth, clear and natural, fully suitable for video or sound recording with digital video camera. Features: Using mid-side stereo sound pickup system, stand out in video or sound recording, pick up the natural sound, and transmit ultra-clear stereo sound quality. High sensitivity and wide frequency response, you can set up the sound pickup pattern from 90° to 120° according to the sound source or individual demands. Super long standby time, using a 3V CR2 lithium battery to work long hours. Widely compatible for the video and recording equipment with general hot boots. Small and light, easy to install, fixed with standard cold boots and 1/4 screw hole, can be directly installed on cameras or other suitable mounts. Specifications: Type: Mid-Side Stereo Wire Frequency Response: 30 - 15000 Hz Sensitivity: -40dB Output Impedance: 200Ω SNR: 76dB Cable Length: Approx. 28cm Power Supply: 3V CR2 Battery Battery life: Approx. 800h Size: Approx. 30.5 * 61 *132.5mm Weight: 45g Package List: 1 * Microphone 1 * 3V CR2 Battery 1 * User Manual