PSB M4U 4 High Definition In-Ear Monitors HeadphonesThese small and lightweight in-ear headphones are portable and designed for sound enthusiasts who demand the most from their audio gear. The ergonomic low-profile design uses an around-the-ear cable and custom silicone and Comply™ Foam ear tips to provide you with a secure and comfortable fit–no matter how active you get when listening. They also come with a clip-on travel case that provides added protection and convenience when storing and travelling with the earphones.In the box, there are t