Second Generation Luminous Shoelace 1:Specification: 80cm * 2.8mm 2:Color available: Red, Yellow, green, blue, orange,white, purple, pink (one color) Multi-color,pink-green, pink-blue,blue-green,red-blue,red-yellow, red-orange,red-green, green-yellow,pink-purple(Mixed color) 3:These flashing shoelace are good for night jogging,dancing at clubs and raves, adding fun and excitement to any event and holiday. 4:These shoelace come with four settings:On all the time, flash, fast flash,and off. You can wear them with any shoes, boots or skates, they will stay lit for up to 30hours before needing a new battery. 5:These shining shoelace are waterproof,washable, heat resistant and safe for all ages. To short your lace,feel free to cut them, to make them longer, just go ahead and stretch them. Our company is a professional production of lace LED manufacturers.the existing ten paragraph colors: red,yellow, orange, blue, green, pink, colorful, pink green, pink blue, green, can be customized Abram white, white green, white powder, Hester prynne, can provide our customers build LOGO, support small wholesale, our products are developing subsequent shine! Please new old customer expectation, making the best product is our purpose, do the lowest price is our target, making the best service is our our job! led flashing shoelaces DescriptionColor1. Material: TPU, ABS, LED 2. 3 Function: long bright, flash, slow flash (via the fast-off control) 3. Battery: CR2032 button battery 2 pcs for each shoe. Long bright mode: working time is 70 hours;Flash mode:working time is 82 hours; 4. Suitable for the shoes: skating sports, outdoor sports, night running, a large festive party, concert, promotion, cheer activities. 5, package: Blister One colorRed, Yellow, green, blue, orange Mix colorRed-yellow, red-orange,red-green, green-orange,blue-green Features: Suitable for any kinds of Shoes, including running shoes, boots, skate and so on. Awesome and Eyes-catching! Great for parties, night jogging, safety and all kinds activity in the night time! Can be used as Necklaces, Bracelets as well. Also, can be worn on your pets or anywhere you like. Perfect for male and female USAGE: 1.pull the lumiescent plastic strips through the holes of plastic piece on two sides respectively ; 2.and insert the luminescent plastic strips into the luminescence holes on two side; 3.strip insert aperture,luminous use theblock glue lock strip; 4.press the switch in the middle to adjust luminescence mode