iPhone 6 / 6s Plus Battery Case,Anethic&reg;Slim Protective Battery Case Backup Juice Bank Portable Charger Case with 3700mAh for iPhone 6 6S Plus(5.5 Inch)(rose gold) Extended Battery Case : The charger case is one of the slimmest battery case on the market ,No excessive bulk at the bottom of your iPhone,adds only 0.16 in / 0.24 oz to your Apple iPhone 6 and iPhone 6S and won't weaken your phone, Wi-Fi, or Bluetooth signal. Longer Battery Life : Built-in 3700 mAh capacity effectively provides 100% additional battery life, an extra 11 hours 3G talktime, 9 hours HD video play , 9 hours web browsing or 7 hours gaming to your iPhone 6 .Easily insert your iPhone 6\6s plus into the original Apple's lightning output port . The battery case is made of durable material which helps protect against scratches, fingerprints, smudges ,bumps and other daily tear and wear. SYNC-THRU and LIGHT-SYNC technology:No extra Micro USB cable. The iphone 6 charging case allows you to sync iPhone to a computer without having to take the juice pack off.Simultaneously charge your iPhone and battery case together ,the phone will be full charged firstly 5 LED indicators on the back of the battery case to indicate how much juice is available to your iPhone.