1. Small size, easy to carry 2. Can charge 3 devices at the same time 3. One QC3.0 3.0A high current output USB interface, two 2.1A fast charging USB interfaces 4. Automatically switch to trickle mode when fully charged to prevent overcharging 5. Fast charging at low temperature, not easy to get hot 6. Multiple protection, safer to use 7. Input: AC 100-240V, 50/60Hz, 0.45A (max) 8. USB 1/2 output: DC 5V/2.1A 9. USB 3 output: DC 5V/3A, DC 9V/2A, DC 12V/1.5A
