What is cool? The metal body is sturdy and faintly curved to offer a firm grip. The 5.2-inch full-HD screen is vivid with good viewing angles and comes topped with Corning Gorilla Glass 3 protection.Qualcomm Quick Charge 3.0 really enables the Eluga Ray Max to pack in juice to last half a day within 15-20 minutes.The smartphone is not very heavy despite housing a 3, 000mAh battery and sporting a metal body.Those hungry for additional memory should know that there is a dedicated MicroSD card slot to expand memory up to 128GB.The fingerprint sensor is placed right on the home button, which unlocks the device quickly. The 8-megapixel selfie camera also comes with a flash, which is another cool thing.Unlike its Chinese rivals, Panasonic hasn’t customised the OS heavily and hence the Eluga Ray Max delivers Vanilla Android experience.While a major highlight of the Eluga Ray Max is the Arbo virtual assistant, you can also deactivate it if you wish to.What’s Not So Cool? Panasonic’s Arbo virtual assistant, which competes with the likes of Apple’s Siri, Google Assistant, Microsoft Cortana and the recently launched Samsung Bixby, offers suggestions based on the user’s daily habits. It is unlike an assistant app that you would speak to. The concept sounds good but fails to impress.Out of the two bottom firing speakers, only one is functional, which is a disappointment.VerdictPanasonic has done well in terms of delivering pure Android experience and battery backup in the Eluga Ray Max. It offers high-end features to people on a budget and is a decent overall package.Having said that, there is no distinguishing factor barring the Arbo assistant that can make the device stand out.