Dual Slot for charging batteries, allow you to charge 2 batteries simultaneously (Please note battery is not included in the package) Powered by USB sources, allow you to charge your battery with USB wall charger, laptop, power bank or car charger, USB cable stores on the side of charger for easy carrying Dual LED charging indicators display the charging status of both batteries Fit Olympus BLN-1 battery well With the built-in USB cable, this battery charger is convenient to carry.If you need a longer USB charging cable to charge your batteries. 40cm extension cable extends your charging distance and makes your charging more convenient Product Highlights Allows charging 2 batteries at the same time Prolongs your photography time Double LED indicators display the charging status of both batteries With a built-in USB cable for easy carrying USB port allows charging the batteries wherever and whenever When the batteries are about to overheat, the charger will sense and stop charging immediately Automatically detects when the batteries are fully charged and stops charging to prevent damage to your batteries With 40cm Extension Cable, can extend your charging distance and makes your charging more convenient Specification : Product dimension: 80 x 58 x 25mm Input: DC 5V-2.2A (Min) Output: DC 8.4V-600mA Full Charging time: About 2.5 hours Material: ABS It fits for original Olympus BLN-1 battery and replacement Olympus BLN-1 battery from third party, below are the compatible cameras for your reference: Olympus PEN-F Olympus E-P5 Olympus OM-D E-M1 Olympus OM-D E-M5, OM-D E-M5 Mark II Package includes: Battery Charger x 1 40cm Extension Cable x 1