What kind of security level is applied to the Bluetooth link?
Since firmware version 18.104.22.168 Live Pen 2 use Simple Secure Pairing (’Just works’, Security level 4).
The Live pen 1 (DP-201) uses the highest security level for Bluetooth 1.2 (security mode 3, link level enforced security). This means that the pen requires authentication and encryption for communication with another device.
Live pen 2
Live pen 1 (DP-201)