iPhone 6s Battery Case, iPhone 6 Battery Case, ToullGo 3800mAh Ultra-slim Portable Battery Charger Power Bank Case for iPhone 6 / 6s [No Signal Reduction] 4.7" (Rose Gold) 1. Powerful 3800mAh Li-polymer rechargeable battery can effectively provide 100%+ extra battery life for your iPhone 6/6s; Specification: Capacity: 3800mAh(14.06wh), Input: 5V/0.8A, Output: 5V/1.0A, Weight: 89, Charging time: 4 Hours, Dimension: 149*69*13mm 2. 360 comprehensive bumper design and hard-shell backplate, the ToullGo Portable Charger protects your iPhone from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket. 3. Featuring sync-through technology, the ToullGo iPhone Charger Case allows you to sync your computer without having to removing the case. The case deploys Micro USB input, you need own a lightning cable to charge the battery case 4. The resilient design of the ToullGo iPhone 6 battery case features LED battery level indicator that lets you know exactly how much power you have; and a softer side that safely holds your iPhone while providing easy access to all buttons and ports. 5. Friendly reminder--This product is sold exclusively by ToullGo. Please buy from authorized ToullGo official seller so as to enjoy genuine ToullGo products and superb customer service. SO if you meet any question, don't worry, please feel free to contact us instead of leave a negative product review. We will always be responsible for your item. Thanks for your kindness.