The Rubiks speaker has a great design that reminds the iconic Rubiks Cube. The speaker does not require batteries as it is powered via a USB (Universal Serial Bus) cable & connects to almost any audio source with the built-in audio jack (3.5mm audio cable included). The speaker is very compact, so it fits easily into any spare corner of your desk. This 5W speaker allows for enjoying a very high quality sound. It is an official licensed product.