1. Intelligent recognition, fast charging 2. With 4 USB output ports, easy to use 3. Lightweight and portable, easy to use and store 4. Fireproof shell, fast heat dissipation, high temperature resistance, strong impact resistance 5. Built-in multiple protection systems to effectively avoid safety hazards such as overvoltage, overcurrent, and overtemperature 6. Built-in automatic reset fuse, safe to use 7. 4 kinds of plug specifications (US/Australian/EU/UK), with wide applicability 8. Input: AC 100-240V 50/60Hz 9. Output: DC 5V 3.4A 10. Output interface: 4USB 11. Weight: about 121.5g 12. Size: about 6.5 x 5 x 5cm