Window view design, using high-definition transparent PC material. After installing USAMS touch series APP, you can answer calls, fast dial number, preview message and so on, when the case is closed. Replace the phone's original battery cover. Precision hole perfect fit, reserved holes each function, while protecting the phone does not affect the use of the mobile phone.After installing USAMS touch series APP, you can answer calls, fast dial number, preview message and so on, when the case is closed. Package included: 1 x USAMS case 1 x Ozone Screen Protector