Listen to your favorite music from your phone, tablet, or laptop via WiFi or Bluetooth with wireless speakers. It's called a wireless speaker because the connection between your phone and the speaker is wireless. WiFi speakers often still have a cable that you plug into a socket. You usually use WiFi speakers in a multi-room system or smart home. The speakers are then connected to each other and your phone via WiFi, so you can control the entire system with your phone. Bluetooth speakers often have a battery and are completely wireless, so you can place them anywhere. If the speaker has an IP certification of 4 or higher, you can also feel free to place it outside.