This super-bass woofer Speaker has a powerful sound. The sound is perfectly beautiful, clear and soft for your listening pleasure. The unique design of the speakers ensures every musical note is real and pleasing to the ear. It's a perfect choice for PC users and can be used with a desktop or laptop computer, CD or MP3 player, or even as a mini home theater audio source to be paired with TV set, LCD monitor, DVD player or any Bluetooth enabled device. Specification Magnetic Shielding: Yes Volume control: Yes Power Type: AC 220- 240V~50/60 Extra Features: Bluetooth, Card Reader SD , Extra Bass , and remote control.