Ugreen 15321 Series Features: Gravity Expansion Compatible Brand: Universal Model Number: 15321 Brand Name: UGREEN Compatibility : For 4.7-7.2 inch Phones. Feature : Auto Lock Anti -Fall Clip Never Blocking Vent Wide Compatibility 360 degree Swing Arm function Auto Lock, Anti Fall Compact & Collapsible Anti Slip Silicone protector Reserved Charging space