Hi friends, here is your friend mandeep and today I am going to review on Sonilex sl mp9 mp3 player. friends am buying this audio player for morning walk, but friends it was not properly works good.battrey backup is not much good friends, battery backup only one hours of this mp3 player.this audio player am buying in very high prise, the seller said that me three month guarantee avaiable.but after worsening am gone to shop, there was seller said to me this audio player not selling me.customer services of this company already too bad friends, many times this mp3 player not perfectly works. Thanks for reading my review. Please rate my review useful or very useful. Have a nice day.