It’s built-in 1200mAh Lipo battery and integrated monocrystalline solar panel which absorbs sunlight and converts it into energy. It charge your phone in an emergency. It works together with Smart Phone via Bluetooth. User can keep tracking their bag. Even they lose it, It can reveal the phone number to the finder. It’s integrated power cable and easily attached to shoulder bag. User never leave it behind, and don’t even notice they are carrying it.
