4USB5V3A Charger Mobile Phone Multi-port Charger $ 4.45 Product information: Bare machine size: 442668mm Bare metal weight: 40g Product color: white, orange, red,blue , black Input power: AC (alternating current): 5V3A USB interface: 3USB Modulation method: pulse width modulation Work efficiency: 99% Output ripple: less than 100mVp-p Voltage adjustment: 2% Plug specifications: American regulations, European regulations Product solution: IC solution Packing list: Fast charging head x1