The Milisten 30 Pcs Shirt Microphone Lavalier package includes 30 microphone clips and 30 covers. The characteristics of the product include a black color, iron material, compact size, and suitability for various uses such as shows, speeches, lectures, and online chatting. The iron clips are durable and practical, making them suitable for voice chat, video conferencing, and voice recording. The package also includes foam windscreen covers to improve recording quality by reducing background noise. The product dimensions are 3.5 x 2 x 1.5 cm and it is manufactured by Milisten. The package contains 10 lavalier microphone clips and 10 foam windscreen covers.