1. Simultaneous output of 4 USB ports to achieve simultaneous charging of multiple devices. 2. Intelligently identify the type of mobile phone and automatically adjust the charging current. 3. Safety does not hurt the device supports overcurrent, overvoltage, overtemperature and undervoltage protection. 4. Made of PC material, fireproof, resistant to falling and durable. 5. Output voltage: DC 5V/3.4A.
