1.Built-in buzzer, with emergency SOS alarm
2.Supports Water/dust/drop proof，works normally in extreme environments
3.Built-in 3 charging cables,compatible with multiple devices
4. 3 lighting modes，press and hold for 5s to turn on the flashlight, with strong/soft/SOS 3 lighting options
5.4 Output ports，Charge 4 devices simultaneously
6.10000mAh large capacity, light and small，easy to carry(
Flashlight and buzzer: First, press and hold the button for 3-5s to turn on the flashlight and enter strong light mode. Second, short press the button to enter weak light mode. Third, short press it again to enter SOS quick-flash mode and the buzzer activates emergency alarm sound prompt. Fourth, short press the button once more to turn off the flashlight. Or press and hold the button for 3-5s under any mode to turn off the flashlight.)