1Phone Live Streaming Bracket: Can be clamped to any part of a tripod, enabling multiple smartphones to be connected simultaneously for multi angle live streaming and filming. Allows for professional level live streaming in any angle, perspective, combination, and connection. 2Base 1/4 Inch Screw Interface: The base is equipped with 1/4 inch screw nut interface, compatible with various tripods. It can be used with the phone clamp on the top, or with a 1/4 inch screw nut fill light on, or with a selfie stick with a rotating angle mount on the side. 3135 Degree Rotation Angle: Switch between horizontal and vertical shooting freely. With a 135 degree rotation angle, horizontal shooting, vertical shooting, and live recording become more versatile, making selfies more fun. 4Plastic Materials: The phone bracket is made of sturdy plastic, ensuring durability. In addition, the soft and non slip silicone pad securely holds the phone in place, preventing scratches. 5Wide Application: Can be securely locked onto cylindrical objects with a diameter of 1.53cm. The knob locking device is not only limited to brackets, but can also be used on bicycles, outdoor railings, and other cylindrical objects.