The package includes 8 collar mics with specific characteristics such as input voltage, mic head size, impedance, material, color, frequency response range, plug diameter, size, SNR, directionality, sensitivity, operating voltage, battery life, and frequency range. The mic is suitable for lectures, live streaming, recording, and other uses, with a lapel clip design for easy attachment. The microphone is made of premium materials for durability and clear sound capture. It is suitable for use on smartphones, tablets, PCs, laptops, and cameras. The ergonomic design ensures comfort and excellent performance during use. The product dimensions are 150 x 6 x 1.5 cm and it weighs 120 g. The manufacturer is TOYANDONA and the ASIN is B0CZBV333M. The item model number is 21D31OMYT031QY4J6CHCC2D and the country of origin is China.