Main Features: ED4 of the built-in metal style HD capacitive mic. 9.6mm large ecological unit,horror explosive power. Medium frequency bang bo,shook;deep bass, powerful. The ed4, only to make a more profound, full of emotional sound. ED4 cavity using the “research-grade aluminum” forging, filling the simple, the atmosphere. Standard format adopted by international standards(American standard), fully compatible with iphone, samsung, xiaomi and other international standard-definition standard mobile phone calls.
