20PCS Music&Sound Activated Led Bracelets White Light Bracelets Rhythmic Bracelet Glow Accessories Wedding Party

Name : LED sound control bracelet Material : SiliconeBattery : 2xCR2016 (Button Batteries Include) Size : Width 2.0 cm,length 25 cm Swtich:Automatic switch ( they flash according to the rhythm of the music) Color : Red,Orange,Yellow,Blue,Pink,Purple(Send randomly) Battery Include, work time about :40-60hours One size fit for adults and big kids. Provide customize logo service , if there are any problem ,please feel free to contact us any time Package included:20pcs x LED Sound control bracelets