[ IMPORTANT NOTE ]:①This battery case 6500mah only fit for iPhone X/XS (5.8 inch), Not works on iPhone XS Max or iPhone XR. ②Not compatible with iPhone lightning headphone or traditional 3.5mm headphones. ONLY works with Apple Airpods or other wireless Bluetooth headphone. | [ LONG CHARGING LIFE]:This rechargeable powerful high capacity 6500mAh iPhone X/XS Li-polymer backup charging case can effectively provide 200% +extra battery life for your phone,up to 17 hours Talk time, 12 hours on web browsing time ,60 hours listen music ,13 hours video,3 hours 3D playing games. | [ADVANCED SYNC-THROUGH TECHNOLOGY ]: You can sync your iPhone XS/X to your Mac book,PC or laptop without take off the battery cover.also 100% compatible with all iOS versions and future iOS software updates,not compatible with Apple CarPlay. | [ 360° PROTECTING AND CHARGING 2 IN 1 ]: Built in internal high quality chips can prevents your phone battery short-circuiting, overheating and over-charging. 360° full bumper design and hard shell back to protect your phone from scratches and other daily wear and tear(Not include phone screen). | [ PERFECT SERVICES ]: We always strive to offer the best customer service, If you are not 100% satisfied with the battery case, please feel free to contact us. We will solve your problem within 24 hours,we will give you a satisfactory solution!