JustJamz 30 Pack 3.5mm Stereo in-Ear Earbud Headphones - Earphones (Assorted Colors) Whole package includes 30 pieces of JustJamz earphones Mixed colors will include a mix of Black, Blue, Green, Purple, Pink, Red, White, Yellow Compatible with most electronic devices having 3.5mm audio jack, no built-in mic Length is about 3 feet or 1 meter, so you can leave your device in pocket Great for on the go