Product Review

Important Note:
For iPhone 7 Plus / 8 Plus : The case not work with Apple lightning cable Only work with bluetooth headset.
For iPhone 6 Plus / 6s Plus :The case work with all headests.( needn't audio jack extender)

Pros:
1.Compatible with iPhone 8 Plus / iPhone 7 Plus / iPhone 6 Plus / iPhone 6S Plus (5.5"Screen)
2.The battery case can magnetic car mount holder, take easy work during driving.
3.Ultra slim design, feel like feather, only add 0.2inch and 4.2oz to your iPhone
4.Powerful 4000mAh capacity add 100% battery lifetime for iphone on the go
5.Equipped with 4 LED lights to check charging status and power level by 25-50-75-100%
6.Super easy to cover iphone and remove,no frustration whatsoever
7.The rubbery outer layer provides for a decent grip of iphone,will not slip from hand
8.Will not suck the fingerprint and a smooth surface Super comfortable feel
9.Use 1 apple lightning charging cable to charge both the phone and battery case
10.Transfer data to Macbook/PC or laptop without removing the battery case
11.Full Support with iOS versions and all future updates
12.The battery case can be carried on plane.

Spec:
Battery capacity: 4000mAh
Input: 5V 1A(Max)
Output: 5V 1A(Max)
Dimension: 6.38x3.19x0.49 inch
Weight: 4.2oz
Battery type: Lithium-polymer battery
Connector: LightSync(compatible Apple's lightning cable)

Package:
1X User Manual
1X iPhone Battery Case