Specifications:

• Two 1 watt speakers
• Cube Size: 3.15 x 3.15 x 3.15 inches (8 x 8 x 8 centimeters)
• 3.5mm Standard Audio Jack Plug
• Made from Recycled Materials
• NO batteries or external power required
• Universally Compatible with any device that has a headphone jack (MP3 players, laptops, cell phones, cd players, etc.