Features:
Input typc-port: 2.1A5V, Output usb-port: 2.1A5V.
Removable welding-free mobile DIY power bank box-.
Two 3.7V18650 lithium-batteries can be installed.
Small size and lightweight, easy to carry and store.
High-quality, good performance, long service life.

Specifications:
Material: plastics
Size: approx 10x4x2cm/4x1.6x1-inch
Input typc-port: 2.1A5V
Output usb-port: 2.1A5V
Color: black-/white

Package Includes:
1x Battery Charger- Case

Note:
Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.