Threeking OSMO Universal Mount + Extended Arm Assembly Pro Version for DJI OSMO/OSMO+/OSMO Mobile Handheld 4K Gimbal Pro Professional Universal Mount Pro + Straight Extension Arm for DJI OSMO/OSMO+/OSMO Mobile Handheld 4K Gimbal Pro Thie mount is an upgraded version of original,have more 1/4 inches screws than original,So mount more accessories will be very easy and conveniently. The extention port can mount on bottom and top,support 4 extention port at once With the univeral mount,The LED light and extera microphone and other accessories can be mounted on DJI OSMO 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