Reliable iPhone X Battery Case: Built-in 4000mAh Li-polymer rechargeable battery can effectively provide 1.2 times extra battery life for your iPhone X. A great source of 18 + hours talk time or + 10 hours of watching your favorite show
Apple Lightning Input Design: Xnuoyo iPhone X battery charger case owns Lightning cable input charging port which support to recharge battery case and iPhone X by apple lightning cable and charger simultaneously for charging your phone and battery case full-charged
SYNC with Charging & Easy to Handle: Xnuoyo battery case can support you to charge your iPhone X and SYNC your file to Macbook, PC or laptop at the same time and there is no need to remove the battery case. It is small, portable and cozy easily fit in your hand or pocket