State-of-the-art high-speed, ultra-low-power MCU and memory chipsets.
USB-C port: Powering the device via cable or backup for firmware updates.
Battery charging: Even though LIT DUO 1 runs on 3 x AAA replaceable batteries, you can charge them via the built-in USB-C port if they are rechargeable (NiMh).
Sound buzzer: DUO 1 can provide a range of sound feedbacks at different button presses or measuring events, to speed up your workflow.
The following Kickstarter projects are still listed for funding: