Overview:

Better sensitivity control for electronic components upgrade (without batteries)

Sound control driving function: always on/slow flashing/fast flashing/music control light-emitting rhythm/off

Specifications:

The function of the controller is to control the mask to emit light, and it has off, on, fast flash, slow flash, 4 modes.
Mask size: 22*17 CM
Mask material: environmentally friendly PVC material
Drive: 3V uses 2 AA batteries (product does not contain batteries)
Flash mode: always on - slow flash - flash 

Package Content:

1*Plastic luminous mask