NOTE: * This battery case is only suitable for iPhone XR(6.1 inch), not suitable other models Features: Provides 150% extra battery life for your iPhone XR. 100% compatible with iOS 12, and future iOS software updates. No excessive bulk and compact design for portability, and fits easily in your hand or pocket. Allow you to sync the data from your iPhone XR to your PC and charge your phone without taking the battery case off. This battery case supports iPhone earphones, besides, also compatibles with iPhone AirPods or any other wireless Bluetooth headphone accessories. ???How 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-polymer Capacity: 6000 mAh Working Temperature: 0?-45? Input: DC5V/2.0A Output: DC5V/1.0A Box include: *1x user manual *1x battery case [Not included cable] IMPORTANT NOTES: 1. No cables are included, please use your original charging cable to charge it; 2. CarPlay is NOT supported. 3. Our battery case is manual, not automatic. 4. Wireless charging is NOT supported by this battery case. 5. DOES NOT protect the screen, DOES NOT protect the screen, DOES NOT protect the screen.