LightInTheBox offers this Fidget Spinner Bluetooth Speaker with LEDs in several colors (Black pictured) for $5.49 with free shipping. That's $4 under the lowest price we could find for a similar fidget spinner. It features Bluetooth.

Note: This item ships from China and may take two to five weeks to arrive. Uncheck "Add Shipping Insurance to your order" during checkout to remove the 49-cent fee.