PUNING LENTIVEN Powerbank 30000 mAh Mini with 4 Usb Fast Charging BH31 - UNGU

Multiple Security Protections
5V/2.1A Dual Inputs & Outputs
Can charge phones, pads or other small electronic devices simultaneously
The charging speed is improved more than 92 percent, saving more than 50 percent of the charging time
Smart Charging without Damaging Your Machines
Using intelligent frequency division technology. Self-adapting to equipment required current。
Warranty 12 Months