The juice pack air is a rechargeable external battery concealed inside of a protective form-fitting case. It offers you the full protection of a hard-shell case while providing virtually twice the battery life; all in an ultra-thin, light-weight, low-profile design. Product Type: External battery pack Dimensions (WxDxH): 2.9 in x 0.6 in x 6.1 in Weight: 3.5 oz Output Connector Type: On cable: Micro-USB Battery: 2750 mAh Manufacturer Warranty: 1 year warranty Designed For: Apple iPhone 6 Product Type: External battery pack Width: 2.9 in Depth: 0.6 in Height: 6.1 in Weight: 3.5 oz Enclosure Color: Black Detachable Cable Connector Type: Micro-USB Type B Capacity: 2750 mAh Features: LED power meter, protective case design, camera lens cutout Cables Included: Micro-USB cable Service & Support: Limited warranty - 1 year Designed For: Apple iPhone 6