COLDCARD Q 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 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 but with dedicated NFC antenna.
• Includes internal storage for spare MicroSD cards.
• USB data & NFC data can be irreversibly blocked, by cutting either PCB trace: disables USB data or NFC data at electrical level.

Same as the COLDCARD Mk4

• NFC-V compatible: tap to transmit all data types, including PSBTs, addresses, and XPUBs.
• Two Secure Elements from two manufacturers; minimizes unknown vulnerability risks.
• USB Virtual Disk Mode: emulates a 4MB disk when connected to macOS, Windows, iPhone, etc.
• Many extensive duress PIN options (Trick PINs)
• USB-C connector
• Same fast processor and high memory capacity.