Unleash the pure Monster sound of your music or podcasts with the AC317's, with an open ear design you'll be able to listen to music like never before. With Open-Ear Design & Ultimate Comfort - Monster open ear headphones are based on a compact earbud design. The ergonomic design with ultra-soft silicone cushion provides you with an incredibly comfortable experience. The Pure Monster Sound & Incredible Audio Experience is Powered by a unique digital audio processor and professional drivers, these wireless earbuds enhance the mid to high frequencies, providing premium audio quality while keeping your ears open.