NOTE:This battery case is only compatible for iPhone 12 /iPhone 12 Pro (6.1 inches), not compatible for other models and sizes.Headphone compatible:-iPhone lighting headphone-Apple AirPods-Other bluetooth headsetSync &Charging:-Advanced Sync-through Technology-Support Lightning Cable-Full Support with iOS versionsMax protection:-Unique raised bezel design-High quality elastic soft material-Bumper and hard-shell backplateHow to use?Step 1.Please fully charge the battery case before using the product.Step 2.Please charge the battery case with the apple cable.(Package not included cable )Step 3. When you want to charge your phone through the battery case, make sure the phone is tightly closed at the bottom of the case, then press the power button for about 3 seconds to start charging.Step 4. When you want to stop the battery case to charge the phone, press the power button for about 3 seconds, it will stop charging.Specification:Battery type: Lithium-polymerMaterial: TPU RubberCapacity: 7000 mAhWorking Temperature: 0℃-45℃Input: DC5V/2.0AInclude:*1x user manual*1x battery caseIMPORTANT NOTES:1. No cables are included, please use your original charging cable to charge it;2. This battery case is ONLY compatible with iPhone 123. Apple CarPlay is NOT supported;4. Wireless charging is NOT supported with the case on;