Niubity Compatible Charging Battery Case Replacement for iPhone 6 Plus 6s Plus - Gray iphone 6 plus Battery case material from the World's Top supplier (Li-Polymer from LG, ABS + PC from Bayer, Lightning connector from Apple), Through international certification systemMFI , CE , FCC , ROHS).To ensure that the product life more long-lasting, durable and safe. 4000mAh Extra Battery.145% Longer Battery Life:Business trips, traveling and working no longer need to bring large and heavy power bank . Fully charge the iPhone 6 puls within 2 hours.4000mAh capacity provides an extra 76 hours audio, 23 hourstalktime, 13 hours video, 12 hours web browsing or 4 hours 3D gaming to your iPhone 6/6s Plus. Apple MFi Certified: Synching with iTunes. Complete charge and sync compatibility with the iPhone 6s/6s Plus..Transfer data or charge phone using the included Micro USB cable (no need to remove battery case) iphone 6s plus Battery case can relieve your carry-on bag, you don't have to take usb cable, power bank, phone case, Incredibly Slim: This case more than doubles your iPhone's battery life without doubling its size (adds only 0.3in & 4.6oz). 100% matching, cell phone will not fall off High-end style Battery charger case.When you open the package, you will be surprised that it is so delicate. Assembly is very simple.Strong&durable engineering material product your iphone 6 puls from bumps&scratching. In addition to the product's own frame,. We give an additional frame (free)(random colors):)