ReTrak High Definition sound in an Ultra- Portale Retractable Neon Blue and Yellow Earbuds are perfect for jamming to your favorite tunes. The tangle-free earbuds include three sizes of comfort gel earbuds for a secure fit. It is compatible with MP3, Android, iPhone, iPod, and iPad. The earbuds extend up to 3.9' ft and come packaged in a 6" x 2.375" x 1" hanging box.