• The MC-one is a smart protective case for mobile phone integrating multifunctional keys and smart sleep window. 
• The 4 functional keys at the back can activate program protection， application hiding and start， custom contextual model and one-key start multitasking; front window supports information preview， call answering/hang-up， snap shooting， music play， memo browsing and edit， screen locking/unlocking when close and open. 
• The cases are 100% perfect matching. 
• Well-chosen leather 
• Cover with with Chip
• Original Smart Cover Feature - Front Smart Screen & Auto Wake / Sleep
• Working same as Original Samsung Note 3 Cover but extra feature

4 Back button functions: 

• Custom contextual model: every button can be bound with a contextual model， such as home model， work model， driving model， outdoor model and so on. When a button is pressed， 
• the mobile phone will adjust the setting according to preset contextual model. 
• All in one key: every button can be set to run different tasks， for example， connecting to Bluetooth speaker + playing birthday song + opening a picture of friend + dialing a call. After the setting， user just needs to press one button to have the mobile phone perform a multitask script set before. Program lock: each button may be set to unlock a locked application in the phone. When user decides to lock an application， he/she can click the application when a locking page appears. Only the preset unlocking button can unlock the application. As the locking page gives no hint， a stranger will not know how to unlock the application by a button on the rear. This setting is both convenient and safe.