<b>How to use it?</b><br> <b>1.Charging Your iPhone:</b><br> Let the iPhone 6s/6/7/8 phone screen up and flat inside of the battery case shell ;Insert the cellphone phone charging hole slowly into the battery case charge head; Gently press the portion of the phone so that it is completely wrapped Pressing the back switch and holding for 3 seconds, the phone will start charging <br><br> <b>2.Charger the power case:</b><br> Plug your original data cable in the charging port of the case,then connect to USB adapter or computer USB port.When charging the LEDs will be lighten.The LEDs will blink and indicate how full it is when charging.<br><br> <b>3.Show battery status:</b><br> Press the power button , the LEDs will be lighten immediately, show the power status.<br> LED Indicator: 4 blue LED lights indicate 25%, 50%, 75%, and 100% of capacity.<br><br> <b>Note:</b><br> 1.This charger case is not waterproof. Use only in dry environments.<br> 2.Please note:Do not warp your iPhone in huge angle, or the connector of battery case will be broken<br> 3.Please use iPhone 6S/6/7/8 battery case in proper temperature range(under 40℃) and do not put it under heat, source or into any liquid.<br> 4.This battery case is just only fit for iPhone 6S/6/7/8.<br> 5.The battery case is not compatible with Apple CarPlay. <br><br> <b>Caution:</b><br>Dry location use only.Do not crush.puncture,incinerate or short external contact.Do not disassemble device.<br><br> <b>Disassembly Warning</b><br> When dismounting Battery case,please don't warp your iphone in huge angle,Or the connector of battery case will be broken.<br> <b>Specification</b><br> Compatible with: iPhone 6S/6/7/8(4.7 inch)<br> Capacity: 6000mAh<br> Battery type: Lithium-polymer battery<br> Input:DC 5V-1000mA.<br> Output:DC 5V-1000mA.<br> Charging time: 5 hours<br><br> <b>Package includes:</b><br> 1 x 6000mAh Battery Case for iPhone6S/6/7/8(Cables are NOT included)<br> 1 x User Manual<br><br>