VERTEX IS A COMBINATION POWER BANK AND WIRELESS CHARGER IN ONE THAT FEATURES 18 SMALL SUCTION CUPS TO EASILY ATTACH TO PHONES, TABLETS AND MORE, ATTACHABLE ROTATING METAL FINGER RING WITH ADHESIVE BACKING, FOREIGN OBJECT DETECTION FUNCTIONALITY AND QI-EQUIVALENT COMPATIBILITY. INPUT: 5V/2A OUTPUT: 5V/2.1A. COMPLIES WITH PROP 65, UL, UN38.3. 2.75" L X 0.5" W X 5.125" H