3 Sections 18650/26650 IPX7 Waterproof Battery Box with 16.8v Round Head & 5v USB Connector Output Voltage Does Not Include Battery(Black) Filter-Others The upper cover of the

The upper cover of the mouse adopts a fine matte surface treatment process

prevent the computer from knocking down

It also could be used on another suitable size of rod / stick / handle / pole / hooks / shelves / plate / gun etc

marble and other countertops

Material:transparent PP

3 Sections 18650/26650 IPX7 Waterproof Battery Box with 16.8v Round Head & 5v USB Connector Output Voltage Does Not Include Battery(Black) Filter-Others The upper cover of the1. This battery box has XP7 waterproof function. 2. There is no need to spot welding the battery, which greatly reduces the internal resistance of the battery and improves the battery discharge performance, thereby effectively increasing the battery life. 3. Easy to use, using 3 18650 26650 lithium batteries. 4. With DC connector input and output voltage of 16. 8V. The USB connector has an output voltage of 5V and a current of 2A, which can charge the