Acrylic cap with LED lighting, yellow, CE, Lahti

MATERIAL: 100% acrylic
Battery capacity: 250mAh
Charging power: 0.5W
Charging voltage: 3.7V
Double-layer construction provides very good insulation from cold
Equipped with an LED lighting module charged via built-in USB port
Adjustable light intensity at three levels (100%, 75%, 50%)
Lighting module equipped with 4 SMD-type diodes
Operating time per charge depending on light intensity: 1.5-4 hours
LED lighting module can be removed for charging or washing the hat