Earbuds multi-pack: 10/30/50 pack of black JustJamz basic earphones. Ideal for schools, kids and sharing with friends. Each headset is 1 meter/ 3-foot in length Universal compatibility: Standard 3.5mm audio jack is compatible with most electronic devices including smartphones, tablets, Chromebooks, audiobooks, computers and laptops. Comfortable fit: Ultra-lightweight earbuds with soft silicone earbud tips for optimum comfort. Flat cord prevents tangles Ultimate wholesale earbuds: Great for classrooms, libraries, the gym, conferences, giveaways, resale, hotels and other promotional purposes. Never get caught without a spare pair of earbuds Ensured satisfaction: If you're not completely satisfied, we promise to make it right JustJamz 3.5mm Stereo In-Ear Earbud Headphones offer both style and comfort while listening with the single-color 50 Pack In-Ear Earbud Headphones. Sound Effect: In-Ear Headphones provide full vivid sound. Stylish Design: Vivid fashionable color options with color matching cords. Noise Isolation: The headphone comes with silicon earbuds to ensure a snug, noise isolating fit so that you can focus on the music. Cord Length : The 3ft 1M cord threads comfortably through clothing and bags.