https://coldcard.com/static/images/q1/coldcard-q1-2.jpg

Q1 HighlightsQ1 Highlights

• QWERTY Keyboard: ideal for long BIP-39 passphrases.
• 320x240 pixel LCD screen, 3.2" diagonal size. Four times Mk4 size.
• Battery powered by 3x AAA cells (or USB). Airgapped and/or wireless!
• Dual MicroSD slots (push-pull type, not spring loaded).
• QR Code scanner done right™, with LED illumination and advanced scanning algorithms and serial interface.
• NFC communication, like Mk4
• Includes internal storage for spare MicroSD cards.
• USB data & NFC data can be irreversibly blocked, by cutting a PCB trace: it permanently disable USB data and/or NFC data.

More: https://coldcard.com/docs/coldcard-q1

This is a real pro calculator! :)

Old memories:

https://nostr.build/i/nostr.build_340e896f5268d53f36350d95db1b39b74a8683b5d856c8da5f480d852ff31a87.jpeg