For the MR05 to work, your device’s screen must have built‑in EMR technology. You can view our full [list of compatible models].If your device is not listed, please contact us to confirm compatibility.

Pressure-sensitive styluses produce lines of varying thickness based on how hard you press, creating a writing experience similar to a real pen.
While greater pressure sensitivity enables finer line variation, the 4096 pressure levels built into our pen work perfectly for the majority of users.

Yes, the nib is replaceable. A spare nib and tweezers come included in the package for simple replacement.

Standard thin screen protectors generally will not interfere with the pen’s function.
Extremely thick or multi-layer films may weaken signal transmission and impact writing sensitivity.
If you encounter lag or poor responsiveness, we recommend removing thick screen films.