【Easy to Use】 – Our Led rave mask is recharged by a USB cable,no moreaccessories, no need any batteries.This led mask charge 1 hour fully,Led mask can work about 4 hours.Under charge, joker costumes red light blink. Pretty cool and attractive,catcheveryone’s attention anywhere.Our led mask is much thiner,more soft andmore comfortable than others. 【7 Color lights&Super Thin】- The Led Mask is 7 colorful lights, 5 different glowing mode. Double Negative began work on the character in early February 2017, before filming began, but did not receive approval on the final design for Lockjaw until April 2017, during filming of the series’ fifth episode.