I like the nostr:npub16s4cnphx2k7ndmlt9qmurkdrrulcammg3jxnz0f9c7dhepqg38zqpp4p24 wallet paired with nostr:npub1cvqlzvmjercdn0ypsmv8f7j9lge6ahsnueh5rparh53wuswftv4q49yjt3 so that I have access to it all on mobile.
Open sourced, good size device, QR code simplicity and has a #bitcoin only mode