1. Using flame-retardant PC material for safer charging. 2. Built in intelligent chip, automatically matching the required current of the device to prevent overvoltage and overcharging. 3. Small size, convenient to carry and store. 4. Compatible with PD fast charging protocols. 5. Input: 100-240V 50-60Hz 0.5A 7. Output: 5V/3A, 9V/2.78A, 12V/2.1A