Sufficient Quantity: each bulk in-ear headphones wrapped individually in bag, whose sufficient quantity are suitable for use as set of headphones to meet demand Trustworthy Quality for You: the in-ear earbud are made of soft silicone and are comfortable enough to sit on the ear, and don't have a built-in microphone; Providing clear sound that does not feel jarring and is suitable for your everyday use Durable and Reliable: wired headphones are made of PVC material, 90 cm/ 35.43 inches long, not easy to corrosion, not easy to break; Bulk ear buds headphones are suitable to use for a long time, practical and convenient Universal Compatibility: ear earbuds bulk headphones are compatible with 3.5mm jack devices that work with most phones, computers, laptops, fitness equipment and are a good choice for use and testing, centers, museums, hotels Versatile Usage: comfortable earbuds bulk can be applied in libraries, hotels, museums, gyms, birthday parties and other uses; Also a