Mini built-in four-port 10000mAh power bank

Mini built-in four-port 10000mAh power bank
Battery type: Soft-pack
Cell type: Polymer lithium-ion cell
Shell material: Plastic
Color: Black, White
Power capacity: 8000 mAh, 10000 mAh, 20000 mAh
Size: 140*68*20mm
Charging power: 10W