Samsung Galaxy S7 Edge Wireless Charging Pack Black - EP-TG935BBUGUS Type: Battery Case Compatible Phone Manufacturer: Samsung Features: 3400mAh capacity for extended use and multiple charges Supports standard wireless charging speeds, 5V/1A power output Incredibly slim with flexible edging for a comfortable grip Check to see how much battery you have left using a four-level LED indicator Dimension: 5.60 x 2.65 x 0.70