1. Product material: fire retardant PC+ABS 2. Product size: 17x17x8.5cm 3. Input voltage: AC100-240V 50-60Hz 4. USB output: 5V 2.4A Max 5. Rated power: 300W 6. Automatic identification: adaptive voltage and current, safe charging without damaging the machine. 7. Heat dissipation method: built-in smart fan and porous heat dissipation design, which can quickly dissipate heat and not get hot during use. 8. Strong compatibility: supports charging of multiple devices, 300W ultra-high power, supports charging of 60 devices at the same time.