Lizusidtsy The microphone has a built-in professional high-performance pickup with dual-head complementary interference pickup technology, designed for cameras and high-sensitivity condenser microphones to improve recording quality. This camera microphone has a wide frequency response and high definition sound resolution. Easy to use. The microphone does not require battery, phone or camera power installation. It is plugged and played. Portable. With a compact structure and a light weight, the microphone is easy to carry. Specifications. Material: plastic Color: black. One-way function: Yes. Microphone jack: 3.5mm/0.14inch. Power supply: External power supply. Frequency response: 100-16000Hz. Sensitivity: -423dB RL = 680Ω Vs1.5 (1khz 0dB = 1V/Pa). Output impedance: 1-2.2k. Power consumption: Max 0.5mA. Voltage: 1-10V. Maximum sound pressure: 110dB S.P.L. Sensitivity reduction: 2.0V-1.5V sensitivity change less than 3dB. Item size: 9 x 6 x 2.8cm/3.54 x 2.36 x 1.1inch(L x W x H). Weight: 71g/2.5oz. Package Contents: 1 x microphone kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.