HIGH CAPACITY CHARGER: 5000mAh high capacity rechargeable battery can effectively provide 200%+ extra battery life to your iPhone 6/6s, which is equivalent to add 24 + hours talk time or 15+ hours movie time. FULL-BODY COVER BUMPER SHOCKPROOF PROTECTIVE: We design this battery case according to iPhone 6/6s. It fits perfectly. It can protect your iPhone 6/6s from dropping, shocking and scratching etc. SMART SYNC-THROUGH TECHNOLOGY: Integrated circuit design with intelligent protection IC can effectively protect your phone. And more Smart sync-through technology can charge iPhone and battery charger at the same time. You can sync your iPhone to your Macbook, PC or laptop without having to take the battery case off. The charger case use lighting port cable not others. EASY TO SEE BATTERY POWER LEVEL: Check iPhone 6/6s battery case power level at a glance by the key at the back--integrated 4 color light LED illumination showing the power status in different color. It is also the on-off switch when you charging your iPhone.