This armbands are specially designed for running, it's the perfect size to fit the phones and compatible within 6inch new phones' Function. Whether you're a professional athlete or preparing for your next fitness endeavor - We want to create a relationship with you every step of the way. It is designed to have three ways to minimize the paths sweat can enter. Covers the entrance with extended cloth; even the scale of the headset hole is cleverly reduced; extra fabric layer is added to filter sweat.