[Important Tip]Work with lightning headphones if you remove the connector from bottom port when no need to hold a charge.(For iPhone 7 Plus) Also compatible with Apple Airpod Bluetooth headphones or any other wireless connected headphone accessories.</br>Compatible with Apple iPhone 7 Plus(5.5 inch) iPhone 6 Plus 6s Plus. Backed up battery just take the lightning connector out of the case and plug it in to your phone. Charge your iPhone and battery case with Apple Lightning cable simultaneously.</br>[Ultra Thin Battery Carrying Case]0.3 inch to the thickness of your phone much lighter than almost every other battery cases. Small and convenient enough to fit easily in your hand or in your pocket.</br>Protection Design: Works as an external a protection case as well as a charger. Built-in rechargeable 2000mAh lithium-ion polymer battery it can charge your iPhone from 0% to 75%. Made of high quality material unique and comfortable tactile impression.</br>[18 MONTH WARRANTY]We back this battery case with 18 months warranty and life-time friendly customer service. Stoon will response to any Email within 24 hours and make customers satisfied with our iPhone 7 Plus portable charger cases. (Lightning Cable is not included)</br></br>Product Description</br></br><br />[18-month WARRANTY]Stoon strives in providing high quality products and making customers 100% satisfied. Kindly write us an email if you need further assistance. <br /><b>Features: </b> <br />1Slim Extended Battery Case shorten the thickness and lighten the unnecessary weight. <br />2Featuring sync-through technology that you can sync your iPhone to a computer through lightning cable without having to take the battery case off. If you plug in the cable your phone will charge first and when it's topped off then the case will charge. <br /><b>Specifications</b> <br />Battery type: Polymer lithium battery(Capacity:2000mAh) Input port: i7 interface connector <br />Output port: 4 pins golden interface connector Input: 5V / 1A (Max) Output: 5V / 1A <br />Size: 164.8(L)*85(W)*17(H)mm Weight: 80g <br />Question: Dos the case charge when your charging your phone ?? <br />Answer: Yup. It will charge when you move the little charging port into the charging slot of your phone <br />Power case discharging(Charging cell phone)