Solar Powered Battery 4 Port USB Hub Charger

Features:
USB 2.0 4-Port Hub and Solar Battery Charger 
Emergency solar power supply for your portable electronic devices
Plug and play
Specifications:
Primary Function: 4-Port USB Hub and Solar Battery Charger 
Solar Output: 5V 250mAh to 700mAh 
USB Charging: 5V 300mAh to 450mAh 
USB Compatibility: 2.0, backwards compatible with USB 1.1