1. 100 packs bulk earbuds in the package, which is perfect for occasions like classrooms or libraries where you frequently lose or break headphones. 2. We spent a lot of time to put every earbud into a plastic bag to avoid messes in the package during transportation. And we believe this will also make them look better if you plan to buy them as a gift for students and teachers, or as donations to schools. 3. It'll be a joke if we tell you these earbuds come with nice sound quality. But we can ensure you that the sound is good for the cost. 4. These earbuds can work with computers, laptops and cell phones with 3.5mm round ports. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!