Bluetooth, USB, and SD Card options are very helpful

Also the Bluetooth feature works great and easy to connect.

For Bluetooth to work you have to go with XLR line from output on speaker one to input on speaker two and bluetooth the output speaker

This is not a huge deal for me because I use Bluetooth and that works perfectly

Bluetooth is easy to connect.

I bought it for my outside bar at home for jamming and karaoke parties as well as the Bluetooth