Like the other commenters have mentioned, if the premise is to prevent the child from going online, I am not sure if I agree with this approach...
But to answer your question as stated: it looks like the Sony Walkman models NWZ-Z1040/Z1050/Z1060 runs (ran?) android and has a GPS receiver, but no cellular capability.
I can't find any newer Walkmans that have GPS receivers, but you might want to look there. I know everyone is telling you to use a old phone, but I am sure that you can find a device to suit your needs. Good luck!
(If you are handy, you can also use an old phone, open it up, and physically destroy the antennas, although this might hurt the battery life if the firmware decides to crank up the transmission power to maximum, if it cannot "see" any networks or towers).
But for maximum street cred, I'd go with two devices: a 'vintage' mp3 player and a 'vintage' or rugged GPS receiver. The more obscure the better. Those things are cool now!
Edit: The Garmin iQue were also Palm PDAs that had a GPS receiver and a headphone jack. They also look pretty rad and turn-of-the-century :) But remember, at some point children establish their own tastes and identities partially defined /against/ their parents, so just because you might think that something is cool doesn't mean that they would.
But to answer your question as stated: it looks like the Sony Walkman models NWZ-Z1040/Z1050/Z1060 runs (ran?) android and has a GPS receiver, but no cellular capability.
https://helpguide.sony.net/gbmig/44361551/v1/eng/contents/07...
I can't find any newer Walkmans that have GPS receivers, but you might want to look there. I know everyone is telling you to use a old phone, but I am sure that you can find a device to suit your needs. Good luck!
(If you are handy, you can also use an old phone, open it up, and physically destroy the antennas, although this might hurt the battery life if the firmware decides to crank up the transmission power to maximum, if it cannot "see" any networks or towers).
But for maximum street cred, I'd go with two devices: a 'vintage' mp3 player and a 'vintage' or rugged GPS receiver. The more obscure the better. Those things are cool now!
Edit: The Garmin iQue were also Palm PDAs that had a GPS receiver and a headphone jack. They also look pretty rad and turn-of-the-century :) But remember, at some point children establish their own tastes and identities partially defined /against/ their parents, so just because you might think that something is cool doesn't mean that they would.