Exposure Smart Port USB Micro-B Boost CableAllows you to charge your electronic gadgets via a standard USB port. Can charge Exposure products when used in conjunction with a Smart Port or Support Cell Batteries CompatibilityThe Exposure Smart Port USB Micro-B Boost Cable is compatible with the following Exposure lights:Six PackMaXx DToroRaceStradaDiabloAxisJoystickSiriusFeaturesHelps charge electronic gadgetsTo be used with a Smart Port or Support Cell BatteriesBuy Exposure Accessories from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.