U-good Battery Case for iPhone 8 Plus/7 Plus, Ultra Slim/Lightweight 4200mAh Portable Charging Case Rechargeable Charger Case for iPhone 8 Plus/7 Plus(5.5 inch) Extended Battery Pack (Black)

➤ 【Important Notice】: This battery charging case ONLY fit iPhone 7 Plus/8 Plus(5.5 inch). Come with a screen protector.Long-press its back power button 2 seconds to Start/Stop charging; Short-press once to check case’s battery level ONLY(Won’t charge) through the back 4 LED battery level lights. Support iPhone charging cable.
➤ 【Add 100% Extra Battery Life】: Built-in 4200mAh thin but powerful Class A Li-polymer battery cell,this iPhone 7 Plus/8 Plus extended battery case double your iPhone’s battery life,never worry your iPhone run out of battery,a Must have for playing mobile game,travelling,camping,business trip and other indoor/outdoor activities.
➤ 【True Ultra Slim,Lightweight,Support Headphone】:Thickness 14.4mm,weighs 95g only,maybe the Slimmest & Lightest iphone 7 Plus/8 Plus charging case on the market,NOT bulky!Support wired headphone,Airpods and Bluetooth headphone,charge and listen to music simultaneously. When you plug iPhone charging cable into this charging case with phone inside,it will charge Phone first until fully charged,then begin to charge the battery case.