You connect the turntable to the pre-amp, then the pre-amp to your Bluetooth speaker. That’s a bit clumsy and means more wires, so go for the first option if at all possible.

How to connect your new turntable to any audio system From old-school audio gear to Bluetooth- and Wi-Fi-based speakers.

Here's how to play vinyl records wirelessly all around the house (and without using a cheap Bluetooth turntable).