This protective case with a built-in battery helps extend the life of your mobile phone, all while maintaining full access to its ports. You can send more messages or stream more videos without worrying about your phone out of battery. When it comes to protection, it can protect your phone from drops and falls, and the raised corners help prevent scratched and cracked screens. Quickly and effectively solves the low power problem for your devices while on-the-go Compatible with for iPhone SE (2nd Generation)/8/7/6, support audio output TPU soft material edging design, resistant to drops and impacts LED indicator shows the remaining power by pressing the switch This mobile phone battery case can not only charge the mobile phone but also can protect the phone from scratches and other daily wear and tear Support over-current, over-voltage, over-charged, over-discharged, and short circuit protection Specifications: Materials: ABS back + TPU frame Marked Capacity: 6000mAh Actual Capacity: 5200mAh Input: 5V 1500mA Output: 5V 1000mA Charging Time: 3.5 hours Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100% Storage/Transportation Temperature: -20 Celsius degree ~ 50 Celsius degree Working Temperature: 0 Celsius degree ~ 45 Celsius degree