Snaps to the smartphone with a thin strap and discreet. Works perfectly and thus preserves the screen inelegant traces of fat and dirty fingers. Long enough to be held well in hand, "writing" is facilitated. Precision, I tried four smartphones and it is noteworthy that works perfectly on both models and a lot less on two other models which leads me to think that the quality of the screen on which you uses the stylus is paramount, both devices on which this stylus works best is, coincidentally two upscale. So consequently and subsequently, five stars ... without hesitation. Signed Charles Baudelaire (and consequently for the subsequently translated poems of Edgar Allan Poe by CH. B). It was the minute of didactic pedant.