10-in-1 Fast Charger: This charger has 10 USB-A ports, so you can charge up to 10 devices at once. Automatically detects all connected devices, adjusts the output accordingly, ensures constant voltage, minimizes charging time, broad compatibility: You can charge your smartphone or desk with this convenient multi-port adapter. Provides convenient power distribution for workbench and floor installation. Fast Charger - can charge devices at high speed, compatible with all 5V USB-A port charging devices such as iPad, iPhone, Samsung TAB, smartphones, external batteries, Bluetooth speakers, headphones, etc. Advanced charging technology - the combination of PowerIQ and VoltageBoost provides charging speeds of up to 10 amps with total current. Safety certification: Built-in protection measures protect your equipment against excessive current, overheating, overcharging, overload, surge, short circuit. Fireproof PC materials and UL certification ensure 100% complete protection