Debashis Das writes that the ZecTrix Note 4 is an ESP32-S3 based smart note featuring a 4.2-inch e-paper display and integrated voice capabilities for managing reminders, weather, and schedules. The device offers both monochrome and four-color variants (Note 4C) and includes built-in hardware such as a microphone, speaker, NFC, and a rechargeable battery.
- Uses Espressif ESP32-S3 SoC with vector extensions for machine learning workloads.
- Features community firmware options like Slate or TransitInk OS to repurpose the device.
- The Note 4C four-color variant is notably cheaper than the monochrome version on the manufacturer's website.