Panasonic p77 in sound is very cliyar p77 is very staylist fon. panasonic smart phone with is a 5inch hd display. p77 prosser is 1ghz puard core processor paired in 1gb ram.internal storej is 8gb expendeble upto 32gb using.he is the best future is very speed.in the software is 5.1 lolipop.panasonic p77 camera is very staylist back camera 8megapixel with ledflash 2 megapixel selfie camera.battery capacity is 2000mah.