Headphones 100 Pack. Great for students, classrooms, school testing, customer giveaways, seminars, hotels, spas, gyms, educational use, hospitals, dentists, computer labs, hotels, motor coaches, libraries, rental cars, trains, airplanes, museums and more. Standard 3.5 mm (1/8 inch) right angle stereo plug works with iPods, iPhones, iPads, Chromebooks, Tablets, Laptops. Computers, Android devices, Fitness and Audio Equipment. Single cord for both headphones for tangle-free use. 4.5 Foot Cord Length. Each Headphone Individually Packaged and Sealed.