50PCS/Lot Light Up Wristbands Festival Concert Party Wedding Event Remote Controlled Bracelets LED Material： ABS Shell+ Silicon Band (One Size Fits All) Power Supply：2PCS*CR2032 (Included, Replaceable) Function：2 in 1 (Controlled by the Controller or the Button Switch of the Bracelet) Control Distance： DIA 200-300 Meters Control QTY： All the bracelets can be controlled as long as they are within working distance.(10000+pcs) *Notice: 1. Remote control function can only be activated by the remote controller. 2. The price of this link includes 50 luminous bracelets + 1 handheld remote control.