Features£º [Excellent Sound Quality] Omnidirectional pickup pattern, can pick up sound from all directions and reproduce it clearly. [Professional Lavalier Microphone] Easy to attach it on your collar, freeing your hands, more convenient for use. [3.5mm TRRS Plug] Widely compatible with cameras, smartphones, and computers, perfect for video recording, interview, live stream, etc. [6-Meter-Long Cable] Breaks the limitation of space, giving you more movement freedom, flexible to use. [Built-in 90mAh Lithium Battery] Supoort USB charging through laptops, desktops, power banks, and more. [Wind Muff] Can effectively reduce ambient noise, wind noise, and vocal plosives, making the sound reproduced more clear and natural. Specifications£º Color: Black and grey Material: Plastic & metal Directivity: Omnidirectional Frequency Response: 50-18KHz N/S Ratio: 70dB(1KHz at 1Pa) Sensitivity: -37dB±2dB£¨0dB=1V/Pa 1KHz) Plug: 3.5mm TRRS Battery Capacity: 90mAh Charging Current: 5V/ 0.5A Cable Length: