USB 4 Ports HUB Charging Multi-Used Power Socket Adapter US Plug for Laptop PC Computer 4 USB Ports USB 2.0 interface Input: AC 100-240V,50/60HZ,0.08A. Output:DC 5V/3A Size:10.8cm x 6.4cm x 2.7cm-4.25inch x 2.51inch x 1.06inch.