Asus zen phone max.thname says it all the main feature of this phone is the humagus battery abot 5000mah.it 5.5 hd display with 13mp rear cmera and 5mp front camera and dual flash and laser focus.it weigh up to 202 grm.the battery is non removeable.they are avilable in two colours black and brown.the sar value for aus zen max is 0.45.resolution are 720×1280 pixel and 267 pixel dencity. The phone comes with 2gb ram and 16 gb internal storage.they are expandable upto 64 gb.processor is 1.2 ghz quad core, qualcomm snapdragon410.it consist of magnetometer, proximity sensor, accelerometer and ambiant light sensor.we can use two micro sim and expanable storage upto 64gb. It also support otg cble. Iam using asus zen phonemax , which is a great phone, we cannot get any head phone in the asus box but we will get otg cable.overall it is a good phone with good performance.