HOBBYSUNRISC New Extended Arm Assembly PRO Version For DJI OSMO Handheld Gimbal Upgrade Part Expansion card slot can be fixed on the top or at the following, up to support 4 expansion card slots et aside 1/4 inch standard screw hole, can be directly connected with the tripod photography standard accessories At the other end of the bracket is also designed a general extension interface, which can connect the mobile phone bracket and expansion arm and other accessories 1x Universal holder PRO Version