The package includes 3 microphones, 3 receivers, charging cables, instruction books in Chinese and English, and storage boxes. The features of the product include a transport delay of 9MS, black hands-free microphone, signal to noise ratio of 64dB, frequency response of 20-20KHz, and a battery capacity of 80mAH. The product is made of ABS and sponge material, has a working time of about 10 hours, and is suitable for various uses such as recording, video chat, and streaming. The microphone has a sturdy clip for easy attachment, adjustable volume, and is suitable for use with computers and desktops. The wireless lavalier microphone is durable, high-quality, and perfect for interviews and live broadcasts.