The package includes 4 microphones with the following characteristics: impedance of ≤2.2KΩ, working voltage of DC1.5V, made of metal, omnidirectional directivity, condenser microphone type, size of 180.00X1.00X0.35cm, black in color, and known for its durability and good sound quality. This versatile microphone is suitable for various devices and settings, such as live broadcasts, offices, and conference rooms. It is compact and lightweight, making it convenient to use. The TOYANDONA 4 Pcs Mini Microphone Phone Microphones is a high-quality, practical, and durable product that can enhance voice clarity and is widely loved by many people.