One plus one is really awesome with great specs:
5.5 hd display
13 mp primary and 5 mp secondary, primary camera with laser autofocus,
64 gb internal memory with no expandable memory,
1.8ghz octacore qualcomm snapdragon810,
3300 mah battery,
4 ram,
PROS -
54 GB of available space.
Brilliant and fast fingerprint sensor.
Smooth Multitasking.
Premium builds and solid finishing looks great in hand.
OxygenOS based on Android Lollipop 5.1.1
OTG cable is supported.
13 MP rear camera captures quality photographs.
CONS -
It does not support Micro SD card slot.
Battery is Non-removal.
No FM Radio.
Quite thick(9.9 mm).
It does not support NFC.
Battery not great as expected.
The OnePlus 2 has a USB Type-C port and doesn’t support Quick Charge.
The finger print sensor may not work if you keep the phone idle for more than 30 minutes.
finally its really great phone you can definitly buy it!