Enough for Your Daily Use: the package comes with a total of 20 packs of wired headphones, with classic color, each wrapped with a plastic bag, and a sufficient quantity to meet your use and replacement requirements; Reminder: suitable for use by individuals aged 14 and above Suitable for Adults: these earphones can be widely applied in study rooms, libraries, museums, hotels, gyms, and other places, suitable for boys, girls, and adults to listen to music, etc Offer a Nice Wear Experience: our headphone casing is made of ABS material, which is stable, tough, and lightweight; Designed with foam ear pads, it makes you feel more comfortable and can be applied for a long time Extensive Compatibility to Fit: equipped with a 3.5mm headphone plug, these headphones are compatible with most electronic products such as smartphones, tablets, audiobooks, computers, laptops and so on One Size Suits Most: featuring an adjustable bracket, the basic headphones can be adjusted to better fit