Still fumbling with your phone's could not use Lightning Headphones while charging?Getting tired of finding a charger while your iPhone 13 Pro Max is going out of battery? Don't worry, UNKLOU 8500mAh iPhone 13 Pro Max is easy for you. This iPhone 13 Pro Max compatible with Apple Lightning headphones .UNKLOU iPhone 12 Pro Max Battery Case provides a hassle-free charging solution on the go. Never Worry that your iPhone 13 Pro Max will run out of battery.Features:1.Perfect cutouts allow access to all cameras, microphones, sensors, controls.2.Designed for iPhone 13 Pro Max , Make your iphone special style.3.High class material to protect your iPhone 13 Pro Max. Charging and protection 2 in 1.4. 4 LED indicator: Led indicator will show how much power Is left.(25%-50%-75%-100%)5.Long life cycle.6.Charge Cable: Use your iPhone Lightning Cable to charge the battery .Note:This case is not designed to provi De screened.Upgraded design, High-capacity charging case for perfect life for your iPhone 13 Pro Max, which is more convenient and fast to use , so that your mobile phone can be quickly charged while facilitating easy removal of the mobile phone.Box Content1 x iPhone 13 Pro Max Battery Charger Case1 x User Manual1 x Lightning cable At last:This product has 12 months quality warranty, Any questions, please don't hesitate to contact us.Friendly & fast customer service within 24 hours