Features: 1. Lavalier microphone, can be used for digital teaching, interview recording, conference speech, video speech and other occasions. It is light in size, portable, and convenient to work with mobile phones and tablets. 3. Ingenious setting of dual mode, simple operation and free switching, sensitivity function and pass-through/noise reduction function Lavalier Microphone Set only, other accessories demo in the picture is not included Specifications: Monomer: back-pole electret Sensitivity: -32dB3dB (0dB = 1v/Pa at lkHz) Disk interface: Universal 3.5mm interface Directivity: Omnidirectional Signal to noise ratio: 75dB SPL Material: Plastic Size: app.7.3x4.8x11.7cm/2.87x1.89x4.61in Color: Black Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x 6m Lavalier Microphone 1 x Storage Bag 1 x User Manual 1 x 6.35mm Adapter 1 x Windproof Sponge 2 x Button Batteries 1 x Packing Box