03-21-2019 11:00 AM
03-21-2019 12:09 PM
03-22-2019 01:05 PM
03-23-2019 01:11 AM
I bought Thinkpad Pen Pro but I found not much functions you can use/customize it with P1. Also, it use AAAA battery which hard to find.
I think you can consider Lenovo Pen Pro (https://www.lenovo.com/us/en/accessories-and-monitors/pens-and-supplies/pens/TAB-ACC-BO-Lenovo-Pen-P...) which Lenovo used it as an example for P1 User guide and you should be able to do some customization on the pen buttons, as it will be connected via Bluetooth.