Portable Protective Charging Case Rechargeable External Battery Backup Power Battery Pack for Apple iPhone 12 Pro Max (6.7 inch), ONLY compatible with iPhone 12 Pro Max (6.7-inch), not compatible for other models and sizes. ☛Specifications: 1. Capacity: 5500mAh. 2. Headphone compatible: iPhone lightning headphone, Apple AirPods, Other bluetooth headset. 3. Sync &Charging: Advanced Sync-through Technology, Support Lightning Cable, Full Support with iOS versions. 4. Sleek, Low-Profile design; Rechargeable up to 500 times. 5. Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%,4 Lights = 100%. 6. Battery Type: Grade Lithium-polymer battery. ☛Features: ♣ Allow you to sync the data from your iPhone to your PC or MacBook. ♣ Extra Battery Life: The ultra slim battery cover for iPhone 12 Pro Max provides 200% extra power to your phone. ♣ Full protection to corners and sides, protecting your phone from drops and impacts, not including phone screen. ☛How to use?: √ First gently slide the iPhone 12 Pro Max into the battery case until the connector perfectly fit the phone. √ Press the power button of the battery case, It will start charge your iPhone 12 Pro Max. √ Pressing and holding the power button on the back of the battery. ☛Important Notes: ● Do not support the Carplay, High Voltage or Quick Charge Adapters; ● This battery case is NOT designed for screen protection; ● No cables are included, please use your original charging cable to charge it; ● Please fully charge the charging case before using it for the first time. ☛Package Included: * 1 x 5500mAh Battery Case for iPhone 12 Pro Max.