Ofeely Phone Holder for Osmo Handheld 4K Camera Gimbal 1. Use the Phone Holder to mount your smartphone to the Osmo. Your phone will then act as a viewfinder, providing you with a live HD view and access to camera settings through the DJI GO app; 2. DJI original phone holder for the Osmo, perfectly matching your phone with your Osmo; 3. Phone Holder Dimensions: 116 mm x 30 mm x 34 mm; 4. Max Phone Clamping Dimensions: 160 mm x 77 mm; 5. Pretty shape design by DJI.