A second screen that lives in a laptop sleeve. One USB-C cable carries video and power, and the cover folds into a stand at two angles.

Shaped so it works in either hand, with a coating that keeps its grip through a long session. Charge over USB-C and get roughly a working week…

The wireless version of the Siege, on a low-latency link rather than standard Bluetooth. Around 30 hours per charge and a USB-C quick top-up.