SmallRig Universal Mobile Phone Cage 2791B SmallRig Universal Mobile Phone Cage 2791B is a perfect cage for vlogging, live streaming, and mobile filmmaking. It works perfectly with most mobile phone models in the market and will be compatible with mobile phones in a width range from 57mm to 90mm, with or without an outer case. Its a screw tighten instead of the pressure fit, which will provide a more stable clamping effect. It features four cold shoe mounts for a microphone and a LED light. Multiple 1/4 threaded holes can be used to attach a tripod, a top handle, or a side handgrip. The 1/4 threaded holes in the front can be used to attach the power bank holder, which enables clamping a power bank to the rig when a sustainable charging solution is required. It supports both horizontal shooting and vertical shooting. Inbuilt rubber pads help absorb shocks and prevent your phone from scratching. Two cable ties are attached, which can be used to sort out the messy data cord and microphone cord during shooting. Its lightweight and easy to hold.