USB charging stations are designed to charge multiple devices at the same time, and so come in a range of configurations2-port, 3-port, 4-port and so on. Which one you choose depends on how many devices youll want to charge. You can use it to charge smart phones, at school good for charging smart tablets, smartwatches etc   
     
 
   Feature: 
   1. Inteligent Protection: Excessive high voltage protection; Excessive current protection; Stable voltage protection;  Overcharge protection; Short circuit protection; Temperature protection. 
   2. Fast Charge: Built-in three technology chips, can identify different mobile phone charging architecture for different mobile phones to match the appropriate current, charging more efficient. 
   3. Multi-Port Support: Supports 20 charging devices at the same time and meet the various demands of charging. 
   4. Inteligent Design: Built-in three technology chips, can identify different charging architecture of different mobile phone, and match the current for different mobile phones.. 
   5. Suitable For: Most smart devices used USB ports such as for Xiaomi, for Samsung, for iPhon-e, for iPa-d, etc. 
     
   Specification: 
   Product Name: 20 port USB Intelligent Distribution Charger 
   Product Model: A5 + 
   Product size: 142*70*63mm/5.6x2.7x2.5inch 
   Input voltage: 100-240V AC 
   Input frequency: 50-60Hz 
   Output voltage: 5V 
   Output power: 100W 
   Cable length: 1.5Meters 
   Efficiency: 70 per cent 
   Cooling method: safe cooling aluminum sheet 
   Automatic identification: Automatic identification of current according to equipment 
   Material: PC+ABS fire retardant 
   Main Color: Black + blue 
     
   Package Included: 
   1 x 20 Ports USB Charging Station 
   1 x Power Cable