?The battery case offers you the convenience of a fully protective form-fitting case with an extended built-in rechargeable battery for your phone all in an ultra-thin light-weight low-profile design. With up to 130% more power to rock£¬ talk surf£¬ and send and shield your iPhone from nicks and bruises with the complete protection of a hard shell case. <br><br><strong>Features:</strong> <br>Emergency backup extended battery charger case£¬ portable and convenient. <br>Provide 130% extra power for your iPhone. <br>Intelligent charging system with an integrated 4-light LED status indication. <br>Rechargeable li-polymer battery pack£¬ recycle use for protect the environment. <br>Security and stability£¬ protective circuit for overcharging£¬ over using and short circuit. <br>High efficiency of power conversion£¬ long lifespan cycle. <br><br><strong>Specifications:</strong> <br>Type: Battery Case <br>Brand: brosoon <br>Material: ABS + PC <br>Color: Black£¬ White and Gold <br>Compatible with: for iPhone 6 Plus 5.5" <br>Battery Cell: Li-Polymer <br>Capacity: 4000mAh <br>Input: DC 5V/1A <br>Output: DC 5V/1A <br>Recharging Time: 3~4 hours <br>Product size: Approx. 17 * 8.3 * 1.4cm / 6.7 * 3.3 * 0.5in <br>Product weight: Approx. 126g / 4.4oz <br>Package size: Approx. 19 * 11.5 * 2.5cm / 7.5 * 4.5 * 1in <br>Package weight: Approx. 202g / 7.1oz <br><br><strong>Package including:</strong>? <br>1 * Battery Case <br>1 * Micro USB Cable <br>1 * Headphone Adapter <br>1 * User Manual