I bought HP Tilt Stylus after reading this thread on HP forum:
https://h30434.www3.hp.com/t5/Business-Notebooks/Compatible-Pen-Stylus-for-Envy-13-aq1013dx/m-p/7821...
PEN :
Product: Active Stylus
Model: SPEN-HP-03
Product Number: 929863-001
I have HP ENVY - 13-aq1013dx (Windows 10 - 2004)...