This phone is having 5000mh battery. NO need for power bank but this piece is so heavy than other asus mobile phones. About the sound this phone having a 3.5audio jack . This phone is easy to use but its heavy weight makes a problem to people carrying it . The style and design is not good but not bad because of the special feature about battery life. The price of the mobile is 12, 500 is quiet affordable. Primary Camera 13 MP, f/2.0, laser autofocus, dual-LED flash, Secondary camera comes with 5 megapixel. Battery is non removable Li-Po 5000 mAh battery and time of battery
Stand-by Up to 914 h(3G) Value of money is reasonable . But this phone is so heavy .