Its light would change by sound.
The changing shape is like your own mouth. Play some music, the LED mask will flash like equalizer with music rhythm. Let the light dance in the music.
Light weight, no burden for dancing and riding.
Adjustable velcro, fit your head perfectly and comfortably. One size fit all.
Perfect for Riding,Skating at night and Many Sports, Halloween, Costume Parties, Masquerades, Rave Festivals, Carnivals, Gifts, and more.
Lighting mode: sound control
Power: 2*AAA battery (not included)
Voltage: 60-200V, 110V
Frequency: 500-3000HZ, 1500-2000Hz
Brightness: Voltage: 120V, Frequency: 200Hz to 2000Hz: 30cd/m2 to 126 cd/m2
Power: Voltage: 120V, Frequency: 200Hz ~ 2000Hz: 108mw / m ~ 1032mw / m
Service life: voltage: 110V
Frequency: 400Hz, normal temperature and humidity, about 5000h
Working temperature / relative humidity: -10 ¡ã C ~ +60 ¡ã C; RH < 90%
Storage temperature / relative humidity: -10 ¡ã C ~ +60 ¡ã C; RH < 65%