1. Brand new and high quality.
2. Built-in 5200mAh lithium polymer battery, high efficiency and high conversion rate. Ideal for long distance journey and business trip.
3.Covers all corners, ultra slim and compact design minimizes bulk and weight for iPhone X charger case.360 degree scratch-guard, dual layer protection.
4. 100% compatible with iOS 10, Apple Pay, and future iOS software updates.
5. This battery case does not work with headphone at the same time, only compatible with Apple Airpods or any other wireless bluetooth headphone accessories.
6. Input: 5V 1A, output: 5V 1A.Capacity: 4000 mah, rated capacity: 3000 milliamp, wireless charge conversion rate: 75%.