This BLUESHAPE P-Tap mains adapter allows you to connect the BLUESHAPE BUBBLEPACK battery to the Sony F3. It features a proprietary blue P-Tap connector at one end and a 4-pin XLR connector at the other end on a 60 cm cable.,,,specifications,,,Cable length,,- 60 cm (23.6"),,Connector 1,,- Male P-Tap,,Connector 2,,- 4-pin XLR