It is very best smart phone of lenovo and the sound quality of this smart phone is very very clear and loud which attract more people and this smart phone is very easy to use and it touch is very very smooth and the style and design of this smart phone is is very unique and attractive and range of feature is very high and it ram is 4gb and internal space is 64 gb and the launch date of this smart phone is 31 jan 2017 and price of this smart phone is RS 10000 and I suggest you to buy this smart phone thank you