Product Review

*** NOTICE ***:ONLY compatible with Apple Airpods or any other wireless Bluetooth headphone accessory.

Features:
Slim, lightweight and compact design for portability.
4200mAh built-in battery provides your iPhone 7 Plus or iPhone 8 Plus up to one more charge when needed (keep in mind, using your iPhone while charging the device with the battery case may reduce the total charge to your iphone's battery power as it will use some of the additional battery power).
Power LED Indicator - Will indicate the level of power your battery case is currently charged.
Doubles your iPhone battery power to keep you going throughout the day, essential for traveling, camping and business trips.
Easy access to all ports, switches and buttons.

Specifications:
Capacity: 4200mAh Li-Polymer Rechargeable Battery
Dimensions: Length = 3.25 inches x Width = 0.67 inches x Height = 6.75 inches
Weight = 4.8 ounces
Input Voltage: 5.0V/1.0A
Output Voltage: 5.0±0.25V/1A
Standard micro USB cable (can be used for data transfer for iOS and PC compatible devices such as Macbooks and Laptops to sync music and files to iTunes).
UL Certified Battery: highest certification for batteries to ensure the safety of our customers (note: using aftermarket USB cables and/or using USB chargers that supply more power than the input of this product can cause extreme heat generation, explosion, or fire... as is the case with any electronic product).
FCC, CE and RoHS: meets all consumer regulatory requirements in the United States and the European Union.

Package Contents:
1x battery case
1x dual layer shockproof bumper
1x micro USB cable
1x screen protector
1x user manual

Satisfaction Guaranteed: We offer a LIFETIME hassle-free warranty to ensure long-lasting coverage, power and protection!