Razer Nommo Chroma RGB speakers

Razer Nommo Chroma RGB speakers - Rear-Facing Bass Ports - Bass Knob w/Automatic Gain Control Chroma Enabled - Full Range 2.0 PC Gaming speakers Good use condition, they turn on and light up but I can’t figure out how to get the sound to work. Selling them as is. (if any, Flaws shown in photos) Brand: Razer Retails: $130 !!DOG OWNER: I do own a dog, so his hair could possibly be on the product(s). Please keep that in mind!! •NEXT or SAME DAY SHIPPING • I only ship Monday-Friday. If you have any questions or concerns please reach out!