Build quality, this phone has awesome build quality and beautiful metal construction, lighter than OnePlus 2 and with equally weight distribution.
+ Look, It really looks CLASSY, design is great, curved 2.5D glass.
+ OnePlus 3 gets charged 10% to 80% within an hour with its new Dash Charge. All heat dash charge keep in it and it has the ability to keep OnePlus 3 temperatures low even while fast charging, it is the new charging standard OnePlus created for mobile industries.
+ Latest Lighting Fast Snapdragon 820 Processor.
5.5 inch Optic AMOLED. display along with the 2.5D Gorilla Glass 4.
+ One of the fastest fingerprint sensors which is embedded in a touch home button.
+ Both front 8MP and the rear 16MP camera are the best in the class, no shutter lag and takes good pictures in daylight even low light performance is not too bad. The front camera has a wide-angle lens which covers more area than a normal lens. Overall great camera experience.
+ Oxygen OS is lightweight and butter smooth.
+ The audio output is good, loud and clear tested with Sony XB70AP wired earphones, Bluedio T2 Bluetooth headphones and Moto Deck wireless speakers.
+ Speaker located at the bottom so no matter how OnePlus 3 lays it isn't blocked. speaker volume is good but not excellent like OnePlus 2 but better than the Galaxy S7, S7 edge and iPhone 6s which cost twice of it.
+ Good battery backup with the large 3000mAh battery just you need to tweak it a bit.
+ Bundled charger and cable quality are awesome. No compromise is done with them.