1. Portable charger for home, office, travel and other indoor uses.
2. 4 USB ports ( quick charge 3.0 and 3 USB port 5V/3.1 A-Max ), charging 4 devices at the same time.
3. Protections keep you and your devices safer.
4. Compatible with all smartphones like for iPhone iPad Samsung Xiaomi Huawei OPPO OnePlus Sony Google and tablet PC Camera MP3 MP4 Player PSP with the USB port.
5. Smart matching current. built-in intelligent chip, according to different devices, matching required output, fast charging and does not damage the battery.