Premium design features die-cast aluminum frame and luxurious leather ear cushionsnPremium 50mm driver for professional audio sound with PureBass performancenPureBass sound delivers a balanced audio experience with amazing clarity, and deep powerful bassnProprietary LiveStage signal processing technology delivers the most realistic headphone sound experience possiblenDetachable cable design with iOS3 button and universal remote/microphone cable includednFor decades, JBL sound systems have stunned audiences worldwide with their powerful, signature sound. Now, introducing a no-holds-barred headphone from JBL that delivers the same energy of JBL professional audio in a cutting-edge framework designed for maximum comfort and performance. Precision crafted from lightweight die cast aluminum, woven cordura, steel and leather, the S700 is a departure from conventional plastic headphones. Modeled after industry leading JBL professional audio systems, these headphones deliver balanced audio with cutting-edge clarity, and original JBL PureBass performance. Enhanced by proprietary LiveStage signal processing, the S700 delivers a more lifelike listening experience like no other headphone today. The detachable cable design enables compatibility with either iOS or Android devices, while a built-in rechargeable Li-ion battery empowers you to enjoy 28 hours of LiveStage technology straight without any skimping on sound quality. Hear - and see - the truth for yourself: the JBL Synchros S700 is the calling card for the next era in audio design.