Specification:
Name: battery box
Color: Black
Battery model: AA battery battery box
Number of batteries that can be placed: two
USB cable length: 26cm/10.2
Inch diameter: 3.0mm/0.12 inches
Switch: with switch

Package includes: 1pc 2 AA battery case with switch.

Features:
USB bus jacks provide power for portable products with USB plugs.
With USB female plug, no need to solder, easy to connect.
Only output, not input.
Trouble-free, batteries are safer than power adapters and power banks when lighting up decorative lights.

Note:
1 The price is for the battery case only, the battery is not included.
2 The small cover (inside) is hot-melted with the battery box, and there are welding marks. This is a normal technique. It will not affect normal use.