The Altec Lansing inMotion Air wireless speaker plays music wirelessly from your computer using a stereo Bluetooth (A2DP) connectivity. You just need to connect the USB transmitter to your computer, choose your playlist and take the inMotion Air wherever you need to go. The wireless transmitter sends your computer’s audio through the air and into your speaker for up to 300 feet away. You can also pair the speaker to your iPod touch, iPhone, iPad and most other stereo bluetooth devices for added musical freedom.Altec Lansing inMotion Air wireless speaker