• What's the lifetime of the battery?

    The battery can be used at least for 12 months.

  • Can i draw on it with my finger, not with a pen?

    Yes, of course you can draw it without a pen, with your finger nail or something hardness.

  • What's the size of this writing tablet? Is it convenient to use?

    The size is 9.8*6.9*0.26 inch(length*width*high),very thin and small for carrying.