[orblivion]

I don't recall my RasPis having Bluetooth built in. Maybe it's the newer models.

Just saying perhaps including the word "Bluetooth" once in the description would help. Looking at this page the first time it wasn't so obvious what was going on or what it does.

[tyingq]

It's the model 3's and the Zero W that have Bluetooth. Models 2 or below, and the "non W" Zero don't have it.

[Nullabillity]

Bluetooth is built in from the RPi 3, the same model that also integrated WLAN.

[NPChar]

'Pi Zero W' and 'Pi 3 B+' have both wifi and bluetooth.