although, people have mixed opinions on ledger nano.

i still think it is better than keeping your coins in a hot wallet.

the only thing it is missing in my opinion is that it is not air-gapped.

to make transaction u have to connect it to your device which i sometimes feel is a little risky.

even though there's a chip inside which controls the transaction signing part.

i don't know if bitlox is air-gapped or not but if you're looking to purchase a hardware wallet.

i would suggest you go with something that's open source and has air-gapped functionality to sign transactions.

until then you can use electrum but make a cold wallet with on air-gapped system.

you can use linux on a usb to do that.