Comfortably listen to your favorite beats with the Massdrop x HIFIMAN Bolt In-Ear Monitors. Featuring the sound, look and fit of high-end earphones, these IEMs are an everyday carry that you won’t want to leave at home. The Bolt In-Ear Monitors come with a durable aluminum housing and one 9-millimeter dynamic driver on each side. They also come with four sets of silicone ear tips for the ideal fit, regardless of your ear size. In addition, the Bolt In-Ear Monitors offer rich sound and good noise isolation. Equipped with a one-touch condenser microphone and remote, the copper cable allows you to change tracks and take calls on the go. Weighing just a bit more than half an ounce, the exceptionally lightweight in-ear earphones are suitable for any audiophile.