This mobile is very well .Mobile sound is dual speaker 3.5mm jack .Very easy to use .This phone design is very dam and oosm . Mobile features is 6.0.1 marshmallow android version upgraded to 7.0 version, phone is 4g, 32/64 gb internal memory, 4gb ram, screen size5.2, 161g, 9mm thickness, 12mb back camera, 5mp front camera, fingerprint Sensor, 3000mah batery, Android value is 50, 000. Launch in april, 2016, This phone is best.