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Our power bank supports most of digitals products such as smartphones, smart watch, MP3s and MP4s and dokmai LED blub.
Yes, all our power bank have dual function.
It depends upon the different models of our power bank.
Most of our power banks have a built-in four LED bulb indicator. The blue LED light sparks once the power is connected and all four LED lights on when they fully charged.
Our some model made with samsung Li-ion battery and few models with Li-polymers battery.
Both battery have their own advantage and disadvantage. Li-polymers battery last for long and there is no leackage, no explosion.
We suggest, while charging the phone please don't reveice any calls, don't keep the charger and phone in pocket while charging. We recommend keep aside while power bank is in use