Upgrade 20pcs Luminous LED Bracelets Sound Activated Glow Bracelet Wristbands Outdoor Sports Armband Wedding Party

Name : LED sound control bracelet Battery : 2xCR2016 (Button Batteries Include) Swtich:Automatic switch ( they flash according to the rhythm of the music) Color : Red,Orange,Yellow,Blue,Pink,Purple,White (Send randomly) Battery Include, work time about :40-60hours Occasion : all kinds of concerts,Nightclub,Party,Concert,All night activities etc. Package included: 20pcs x LED Sound control bracelets