Powerful - Beoni portable battery 5200 mAh + speaker + wall charger

Specifications Capacity: 5200 mAh Input voltage: 110-240 volts Input current: 2.1 amps Output voltage: 4.8 - 5.2 volts Output current: 2.1 amps Output power: 15 watts, 100-240 volts 50/60 Hz Speaker size: 4 ohms 5 watts