Features: With 4 changeable plugs fit for over 150 countries in the world Automatically senses and switches to domestic voltage for different countries 4 USB ports attached for charging mobile phones or other digital devices Charge up to four devices simultaneously 4 wall plugs: US, UK, EU and AU Input Voltage: 100-240V AC, 50/60Hz, 300mA Output Voltage: 5V Output Current: 2100mA (Share for 4 ports). Package included: 1 x USB charger 4 x Plugs