Two USB ports to charging multiple devices at once.Comprehensive upgrade??fast charging??Improve the charging time of 10%.</br>Designed for Samsung to build??USB Cable Compatible With Samsung Galaxy S5?? Galaxy Note 3??Galaxy Note Tab 12.2?? Galaxy Note Pro 12.2?? and portable USB 3.0 external hard drives</br>9 core high quality cable?? Used for fast charging and high speed transmission of data.</br>Smart judge your battery?? provide the best charge current?? protect your battery??prevents