"Shells Only Includes 2 Judas Priest (Painkiller Era) Shells (Interchangeable design) Shells + Headphone Bundle Option Includes: Heavys H1H Headphones, 2 Judas Priest (Painkiller Era) Limited Edition Shells + 2 Heavys original Shells, AUX Cable, USB-C Charging Cable, Premium Travel Case Heavys are the world’s first headphones built for Metal Fans and mimic live music • Immersive, natural sound field powered by 8 drivers with patented design • 5 microphones, 50 hours of battery life, Bluetooth 5.1, HellBlocker™ noise cancellation technology, super comfortable design"