Description <br> Features: L8-BT Charging Bank Solder Free Kit+Bluetooth-compatible Speaker; <br> Fine workmanship provides long service life. <br> Lightweight design is very easy to carry. <br> Perfect for outdoor travel use. <br> Any USB port can support fast charging. When two or more output ports are used simultaneously, only 5V is supported. <br> Fast charging specification:Integrated QC3.0 output fast charging protocolIntegrated ( High Voltage Fast Charging Protocol) I/O Fast Charging ProtocolIntegrated AFC ( Fast Charging Protocol) I/O Fast Charging ProtocolIntegrated SFCP (Fast Charging Protocol) I/O Fast Charging ProtocolIntegrated PE+1.12.0 ( Fast Charging Agreement) Output Fast Charging AgreementIntegrated USB C protocol, supporting input/output fast chargingCompatible with BC1.2, mobilephone fast chargingIntegrated USB Power Delivery (PD3.0) protocolSupport bidirectional input/output protocolSupport PD3.0 input/output and PPS output protocolSupport 5V, 9V, 12V voltage gear input/output PPS support 5~11V <br> <br> Specifications: Material:Plastic <br> Color:Black,White,(Optional) <br> Model: L8-BT <br> Capacity requirements (Capacity): 8x18650 20000mAh <br> Number of batteries: 8 flat 18650 batteries <br> <br> Package Includes: 1x Power Bank Box(Battery not include) <br> <br> note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. <br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. <br>