Key Features of 4-Port USB Security Alarm System
High-speed simultaneous charging with 4 USB ports, delivering 2.4A per port for rapid power supply to tablets, laptops, and smartphones. Premium fire-resistant ABS housing with anti-scratch matte finish ensures durability and sleek aesthetics for office, home, or travel use. Built-in surge protection and smart IC chip prevent overcharging, overheating, and short circuits, safeguarding connected devices. Compact plug-and-play design with space-saving flat plug, ideal for crowded power strips or tight workspace setups. Multi-device compatibility supports iOS, Android, and Windows systems—perfect for families, offices, and co-working spaces. Certified by CE/FCC/RoHS for global safety standards, ensuring reliable performance for bulk buyers and resellers. Lowest wholesale price guaranteed with bulk discounts—direct factory sourcing cuts middleman costs.