Chiefmax Adjustable LED Light Up Camo Bracelet / Necklace for Dance Party, Rave, Concert, Club (Punk Dog Collar Style) Awesome and eye-catching! Stand out at the club or concert with this fun light up gear. Bring the funky good times at birthday parties, bachlorette parties, Mardi Gras parades & more! LED bracelets are the ultimate way to get noticed, and make the best party favors. Also great for late night jogging, running, or walking your dog. Be seen & safe during exercise in the morning, evening or night. Sweat proof water resistant nylon material with adjustable plastic clasp. Neat Camouflage pattern. Battery Life: About 60-80 hours, replaceable CR2032 (included) Various sizes and colors. Perfect for bracelets, wrist bands, or arm bands. Great for necklaces. Stand out with a great piece of swag.