Connectivity Technology Auxiliary Connector Type 3.5 mm Jack Compatible Devices Camera, Smartphone Audio Sensitivity 42 dB Microphone Form Factor Shotgun [Professional performance]---This asmr microphone uses -42dB high sensitivity cardioid pointing professional pickup core, the picked up audio through the internal optimization circuit with ≥ 58dB very high signal to noise ratio, output to the Camera / Camcorder / GoPro / Videomic and other devices to record video vlog, clear sound, very low noise. [Working Distance and Frequency Range]---As a shotgun microphone, it has a pickup distance of up to 9 feet, which can adapt to different occasions of use. Effectively records a frequency range of 20-16,000 Hz without missing every detail when recording, a performance that is difficult to match with other micro mini microphones. [No Battery Required & Caution]---This product is a universal external microphone powered by your camera/camcorder's 3.5mm MIC port, plug and play, no need to install additional batteries. For phones/iPad/smartphones/Android/iOS devices without a 3.5mm input port, please purchase the Lightning to 3.5mm or Type-C to 3.5mm adapter separately. [Anti-vibration and material]---Anti-vibration bracket made of new high toughness ABS material, which can effectively reduce the noise delivered to the microphone through hard transmission. Microphone tube body is made of high hardness aluminum alloy to increase durability and anti-interference ability.