Exposure Smart Port USB Mini-B Boost Cable. A device that allows you to charge your electronic devices through a mini USB port. Works with Exposure’s Smart Ports and Support Cells Compatibility. The Exposure Smart Port USB Micro-B Boost Cable is compatible with the following Exposure lights:Six PackMaXx DToroRaceStradaDiabloAxisJoystickSiriusFeatures. Helps charge electronic gadgetsTo be used with a Smart Port or Support Cell BatteriesBuy Exposure Accessories from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.