Tivoli Art Battery Pack Cube Or OrbTivoli
Add the optional rechargeable lithium battery to the ART speakers to have up to 8 hours of play back without power cords. Make the cube speakerportable and move it from your office to your kitchen, or hang the orb speakeron the wall like a painting without wires to hide.
Charge the battery right in the unit with no need for a dock or charging station. Free yourself from pesky wires.
*Battery life varies by use.