Wireless speakers connect to devices via Bluetooth, Wi-Fi or both a subwoofer and a speaker equipped with a Bluetooth wireless connection associated with one or more smartphones, tablets, iPods or computers, this is called "pairing". The basic setup of a bluetooth speaker is straightforward, you need a speaker, bluetooth module, power and / or battery, and usually some sort of resistance. Which material you choose to use for the headphone case or body is up to you.