The SmallRig Arca-Standard Phone Support with Cold Shoe Mount 5339 is a compact mounting solution for smartphones on stabilizers, tripods, and cameras. Featuring an Arca-standard baseplate, NATO rail, and cold shoe mount, it enables easy accessory attachment. The magnetic quick-release system allows tool-free, multi-angle adjustments, while its foldable design ensures portability. Compatible with MagSafe phones or cases with magnetic rings, it supports devices up to 500g.