It is mini tripod ball head, which features a 3/8” screw hole on the bottom, and a 1/4” screw on the top.
So it can be used as a adapter which allows you mount the smartphone or tablet by microphone stand.
The ball head can be adjusted to any angle. there is a notch when you need a 90-degree angle.
1/4” screw is designed for phone and tablet holders.
