Power that comes along for the ride.Keep the power reserve connected to your keychain for charging on-the-go. Up to 50% extra battery means this is the perfect solution for your iPhone or iPod and the compact design makes it easy to carry wherever you"re going.Be sure to always travel light.Equipped with an integrated, hidden yet flexible Apple® Lightning cable, this extremely small and rechargeable battery pack is always ready for a quick departure. Just release your power reserve from the key ring to expose the cable and start charging.Technical specs. Product dimensions1.50 in x 2.84 in x 0.56 in Weight 1.97 oz. Compatibility iPod & iPhone with Lightning connector. Battery capacity1350mAh. 1 Year Warranty