Features:
1.  With LED light button switch,you can charge your devices at dark environment and without turn on the light.
2. 4 USB Ports design,you can charge more different digital devices in a same time,like smartphone,iPad,home appliances etc.
3. Lightweight and easy carry,especially for daily travel or business trip or use for home and office,save room and elegant.
4. High efficiency,low energy consumption,circuit protection,provides a safe charging performance.