Battery Case for iPhone 7 Plus/8 Plus,4000mAh Ultra Slim Rechargeable Portable Charger Case Extended Battery Pack for iPhone 7 Plus/8 Plus (5.5 inch) Protective Power Charging Case-Red

?SHENMZ 4000mAh Ultra Slim power battery charger case give you more power extended standby time for the iphone.? How to charge: 1.Press the back button for 1 seconds to charge the phone, and press the smart switch for 3 seconds to stop charging the phone. 2.Connect the phone's original charging cable with the battery case, then you can charge the battery case. When charging four white LED lights flash to indicate the corresponding power of the battery. Four blue flashing lights indicates the battery case already be charged fully. 3.Your phone and the battery case can be charged at the same time. Important Note: ?Please fully charge the battery case before using the product. ?This battery case is just fit for iPhone 7 plus/8 plus [5.5 inch],Not fit for iPhone 7/8 (4.7 inch). ?This iphone 7 plus/8 plus battery case is NOT compatible with iphone lighting headphone or traditional 3.5mm lighting headphones to listen to music. ONLY works with Apple Airpods or other wireless Bluetooth headphone. ?The lightening cable is NOT included. ?Apple CarPlay is NOT supported. Features: ?On/Off switch with one-touch smart design easy to operate,to extend the built-in battery life. ?4 LED lights to easily check power level,each represents 25%,25%-50%-75%-100%. ?High class material to protect your phone, charging and protecting 2 in 1. ?Sync-through technology,sync data while charging,without removing the battery case. Package includes: 1 x External Battery Case for iPhone 7 plus/8 plus 1 x User Manual Worry-Free Warrantly: 18 Months Warranty and 30 days Money Back.We take care of all quality-related issues with a REPLACEMENT or REFUND. Please contact our VinPone support team at the first time if you got the defective item.?Please click on "VinPone" next to "Sold by", then click on "Ask a question" to contact us, we will reach out to you within 24 hours.?