This iPhone Charging Case gets ride of the long chin design of the previous mobile power supply back clips, and removes the heavy and massive grip feeling, so you can hold it with only one hand easily. Cover Built in Metal Sheet.
  

Main Feature:

Ultra Thin Unique Design and Exquisite, Easy To Carry
Not Only a Powerbank but also a Good Phone cases
Light Weight,good product for travel,Long distance Business
Built-in Metal sheets,Suit for Magnet sucker bracket

Specification:
Material:ABS+TPU
Capacity:3000MAH 3.7V for iphone 6 6s 7; 4200MAH 3.7V for iphone 6 plus/6s plus/7 plus
Input:DC5V/1A
Output:DC5V/1A
Other Function:Phone Case + Power Bank
Weight:About 170g