Smartphone Tripod Adapter Phone Stand Holder Mount for Mobile Phone Camera IW

Width adjustable & 1/4 "screw thread: The width can be adjusted from 5.5 to 10.5 cm. Can be attached to any tripod or monopod of normal size. 2.360 ° rotation: Supplied with the swivel arm so that the phone can be used vertically or horizontally without having to take the phone out of the tripod.

eBay