EasyAcc® - make it easy Why choose an EasyAcc® iphone 5s/5 battery case? NOTE: 1:Most headphone plugs will be too short to reach the headphone jack when the battery case is being used. Therefore, we recommend using the audio jack extender that comes with the battery case when using headphones. The Safest Battery Case for Your iPhone Our grade-A lithium-polymer battery is certified by MFi, CE, FCC, and RoHs; comes with smart circuit protection; and has no possibility of exploding (unlike Li-ion batteries, which may explode under extreme circumstances). All of this is to ensure that the battery case can be used safely. Innovative Design Our battery case comes with two differently colored attachable frames so you can choose the style to match your mood. It also features an integrated kick stand made of aluminium alloy and includes an audio jack extender so you can easily enjoy music and videos. 3-in-1 Battery Case (Charging, Data Transfers, and Protection) The industrial-grade plastic used protects your iPhone from bumps and scratches, while the micro USB cable included allows you to transfer data while charging your iPhone as well as to charge both your iPhone and the battery case at the same time. Specifications Capacity:2400mAh Input:5V/1A Output:5V/1A Cell Type :Li-polymer Dimension :137*62*17mm/5.4*2.4*0.7in Compatible Models: iphone5/5s Package Contents EasyAcc® Extended Bettery cases Attachable Frame x 2 Micro USB to USB Cable x 1 Audio Jack Extender x 1 User manual x 1