Let's face it, your typical office neck tie just ain't cutting it. Get festive by wearin' a Black Necktie with White LEDs! Light Up Ties look so cool & eyecatching at conventions, trade shows & company events, or use them as party favors - men & women both look snazzy in our Light Up Black Neckties! To activate your LED Neck Tie, look for the sticker placed over the hidden button & press there. Choose from flash, blink & steady light options. To wear it, there is an adjustable zipper in the back - wear the piece like a necklace & zip it to your liking. One CR2032 battery is included and replaceable.