iPhone 6 Battery Case - 3100 mAh External Charger MFi CERTIFIED - Vaxzas iPhone 6 Battery Charging Case is 100% compatible with iOS 8, all future iOS 8 upgrades, and all iPhone 6 functions. Boost your phone with TWICE AS MUCH power as usual - without being bugged by those irritating not compatible with iOS messages! Dont settle for cheaper options that stop working after a few charges - this case is built to be the PERFECT MATCH for your phone, no exceptions. ADDS 14 EXTRA HRS OF TALK TIME, 10 HRS WEB BROWSING TIME - the moment your iPhone battery dies, the saved charge on this case brings your phone back to FULL POWER INSTANTLY - without missing a beat. To recharge the case, simply charge it alongside your phone using the microUSB cable included. Once its at full battery youll never have to worry about losing power at the wrong moment ever again. CUTTING EDGE DESIGN - In terms of technology, this battery case cant be beat. Its refined sync-through technology allows you to CHARGE AND SYNC your phone without taking the case off, saving time and hassle. And in terms of design, this case is ULTRA-SLEEK, lightweight, and durable, protecting your phone from damage - whether its bumps, shocks, or falls. Keep your phone trim, trendy, and fully charged - all with one case! EXCLUSIVE FREE BONUSES - With your iPhone 6 charging case order, you receive an additional clear bumper and a FREE EBOOK, which details tips on how to conserve battery and make the most of your phone. And as an added bonus, were throwing in a FREE Headphone Audio Jack Extender, which gives you easier access to your phones audio jack - so plugging in your headphones from your pocket becomes a cinch. OUR PROMISE TO YOU: There is no risk for your whatsoever with our 100% MONEY BACK GUARANTEE! Your satisfaction is our #1 priority. And if you're not completely happy with your purchase for any reason at all, just drop us a line - we'll give you a complete refund, no questions asked. At the end of the day, Vaxza's all about helping you add to your phone, your electronics, and your life - we'll work with you till you're satisfied.