** NOTICE **:This batter case is NOT compatible with 3.5mm lighting headphones. Only works with Apple Airpods or other wireless Bluetooth headphone.Sgrice Powerful iPhone 7 Plus 4880mAh lithium polymer battery can effectively provide your iPhone 7 Plus with 100% + extra battery life, the equivalent of an increase of 13 hours of talk time or 10 + hours of web browsing time Full comprehensive bumper design and hard-shell backplate, the Sgrice Portable Charger protects your iPhone from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket Easy installation Insert your iPhone 7 Plus into the lightning output port. The extended battery case uses a micro USB input port to enable recharging and data transfer. You can conveniently charge and sync both the battery case and iPhone 7 Plus to your Macbook, PC or laptop without having to remove the battery case. Made of high quality material,Ultra slim protection 360° scratch-guard,dual layer protection. Compact design minimizes bulk and weight for iPhone 7 Plus charger case unique and comfortable tactile impression,high efficiency and high conversion rate, Ideal for long distance journey and business trip.