Dual C port fast charging 40W, dual port output, two devices charging at the same time. Highly heat-resistant PC shell, heat conduction on all sides, maintain good operating temperature charging throughout. Multiple safety protection, active filtering danger. Full low-temperature protection, charging safety is guaranteed, not afraid to play while charging, charging does not hurt the machine. Widely compatible with most devices, mobile phones, headphones, game consoles, etc. can be charged. Compact and convenient, easy to fit in your pocket, travelling and carrying no burden. Laser engraving logo, more information welcome to consult. Measuring 1.69*2.95*1.06 inches, this custom portable pd40w dual-port fast charger. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Compact size, lightweight, easy to carry.