Size Diameter 65CM Resolution 720*720 Brightness High Brightness Display LED Beads 720 LED Beads Functional Aluminum Alloy Head Bluetooth/Wired Audio Color Tone Adjustment Supports Startup Mode Selection Supports Wired Control and Secondary Development Multiple Wired Splicing Angle and Brightness Adjustment 3D Text Creation Remote Control Emergency Stop Function Content replacement APP,PC Cloud Internal storage 4G