AIMAX 40000 mAh Portable Charger Power Bank Dual USB Charge Color:Black The power bank has a

The power bank has a LED screen display to show the remaining power

and dual USB output ports

the bubble machine has a music function

can be used for room

Working Voltage: 110-240V

AIMAX 40000 mAh Portable Charger Power Bank Dual USB Charge Color:Black The power bank has aPlease note The charging cable included with this product is for charging power banks only, not for mobile phones, computers, or other products. If you use it for mobile phones, computers, or other products, it will cause the mobile phone and computer to lose power, while the power bank will increase the power. The AIMAX power bank is designed for portable device charging solutions. It has a high energy density battery, dual input ports (Micro USB and