FEATURES : This Yamaha PSR E343 comes with 61 touch sensitive keys, Aux In port and an USB port as well. It also has an inbuilt sustain feature . It comes with Y.E.S. (Yamaha Education Suite) which is really helpful for a beginner . Portable Grand Piano and Ultra Wide Stereo functions which gives you the feel of a high quality keyboard.SOUND : It may not be the best keyboard in the market. But at this price point, it's just WOW. Its competitors are nowhere near to it in case of sound. It offers authentic Grand Piano sound and the Ultra Wide Sterio effect just works as icing on the cake. Even high grade CASIOs may not be able to compete with its sound. Its too good especially at this price point.BUILD QUALITY : Its build quality is decent. It's light but also feels low grade sometimes. It could have been betterSUMMARY : At this price point, it remains unbeatable. The sound quality is crystal clear and sure to provide euphoria to a budding artist.