Navor Folio Wallet Battery Protective Case does double duty to protect your belongings in one secure location double the usage time of your iPhone 6 plus.Capacity 5000mAh, effectively add ONE FULL Charge to your Samsung Galaxy S4. Before installing and using the product, please read the User Manual thoroughly and retain them for future reference.Totally charge discharge the battery case about 3-5 times to completely activate the function of the battery case. Fully charge the battery case before using? with original phone cable to connect the battery case to an USB adapter or computer to charge up the battery case till 4 blue LED indicator shine on. Press the ON/OFF button to turn on/off the battery case and keep it as ON status when you charge the battery case and mobile phone simultaneously. Better to charge your mobile phone before it's totally power off. Made of PU Leather. Headphone Jack Cut-out. Charge Sync through the case. Box content: 1 x Battery Wallet Case, 1 x User Manual. NOTE: This battery case charges with lightning cable (NOT INCLUDED)