Ok! hey guys , I want to share I view regarding this fitness band watch which is from mi its oled display 42 inch and 7grm. lite weight 70 mAh battery with butooth .i personally recommend you to buy this.it will be a beast for new users quite styles and also its having sensor under watch which detect the heart pulse rate which is I felt good.make it feel relax , looks stylish and quite different .you all also buy this I felt good and I m going to buy one more for my brother to give his surprise.