Spring loaded phone clamp: Compatible with iPhone 18 Pro 18 Pro Max 17 16 16e 15 Pro Max Plus Samsung Galaxy S26 S25 S24 S23 S22 Ultra Google Pixel OnePlus series, and others; for selfies, streaming, video calls, travel vlogging, and video recording QR base compatible with Arca type: its base with Arca type dovetails can act as a quick release (QR) plate and slide into any tripod head and video head; compatible with the Arca Swiss mounting system for instant and easy installation Flexible angle adjustment: This 270° rotation phone holder provides flexible angles with the clamp lock button; adjust the phone between vertical and horizontal positions; a fine adjustment knob allows you to make accurate tilt angle adjustments at 180°