One plus 2 sound quality is great. You can enjoy music at loud and at ear piece, it gives great sound.This smartphone is very easy to use. This has great accessability, you can change its language according to yourself. Font style and size can be changed. This is a the stylish phone and has wonderful design. One plus 2 has varius features like it has great camera quality at 16 mp at low light also. Other side it has fingerprint sensor, 3 gb ram and great processor. This smart phone never hangs during working. It does not heat. Display is hd and sharp. Back cover is good that does not let slip the phone and provide grip. Overall this is reliable smartphone. It is worth for money.