Flip Protector Cover Case is designed exclusively for Microsoft Lumia 830.The case provides a hard back cover which easily fits on to your phone. Front flap with smooth microfiber lining inside prevents the phone from getting scratched and protects it against dirt and bumps. The bluetooth suction speaker provides you with the comfort of listening to clear music while also giving you an option to use it as a stand. Simply pair the Bluetooth speaker to your mobile or tablet and you are good to go. The speaker comes with a rechargeable built-in li-ion battery, the mini USB interface enables you to get it recharged. There is an "answer/Hang up" button, which enables you to answer hands-free call when phone is in Bluetooth mode, also the "MIC" can be served as microphone. The suction cup design is capable of sucking on any smooth surface and acts as a stand for viewing comfort.