*High Capacity & QualityBeneficial from the sufficient 5V / 2.1A input, rapid charge is available. Fully charged within 5 - 7 hours,3300mah high capacity bring you longer video recording and more photo shoot. *Convenient to use ultra compact design, Smart charging LCD indicates when charging is completed and prevents battery from overcharging, of course you can also check the charging process from the LCD. *Input: Micro and Type-c two types USB input: DC input and mobile power input. Multiple Charging Option: Charge wherever there is a USB jack, just connect with your USB wall charger, cellphone adapter, car charger, Portable Power Source, or external battery. *Output: the biggest difference with others is it can both input and output, Comes with USB charging cable, if your cell phone is out of battery also can be charged with it, Convenient to travel, can be used as a power bank. *Package Include 2x Full decoding Batteries +1x LCD CHARGER