It isbuild in 1800mAh Polymer Lithium-ion back up. It offers you the full protection of a hard-shell case while providing virtually twice the battery life of the iPhone alone and your ipad full one time; all in an ultra-thin, light-weight, low-profile design.
Build-in earphone back up power
1) Battery capacity: 1800mA/3.7V (Polyma Lithium-ion battery)
2) For Iphone 5
3) Output: 5V 1000mA each
4) Input: 5V/1000mA
5) Earphone wire length is 105CM,could use more than 30000 times drag/back.
Very latest design
1.Competitive price
2.Reliable quality
3.Fast delivery
Specialty Features:
1: Built-in Retractable Earphones, makes calls, listening to music and watching videos more convenient, healthy and fashionable.
2:Rechargeable external battery for iphone 5(Battery capacity:1800mAh)Completely eliminates concerns about running out of power.
3:Excellent IPhone5 protection made of high quality, durable materials,precision molded for a perfect fit, and feels great in your hands.
4:Two choices of ear-buds, with the double featuring stereo sound
