Feature: 1. COOL VOICE ACTIVATED: A voice activated LED tie will turn heads and light up the night. Suitable for parties, concerts and special events, this accessory responds to your voice to create a dazzling light show that synchronizes with your every word. Be the life of the party 2. FOR RAVE PARTY: This black tie for men is sure to make you the center of attention and make your party even more exciting. Whether it is a party, a wedding or a night out with friends, this clothing accessory adds a touch of future and fun. Make you stand out from the crowd and leave an unforgettable memory 3. 5 LIGHTING MODES: The luminous tie has 5 different lighting modes: Steady light, slow flash, fast flash, bar flash and voice activated flash mode(beat flash mode). The Beat flash mode is activated by sound to create a unique flash mode that responds to the ambient volume 4. APPLICABLE SCENARIO: Luminous party accessories are suitable for indoor or outdoor performances. Glow in the dark accessory is widely used for weddings, concerts, raves, Burning Man party performances, All Hallows Day, costume parties, masquerades, carnivals, Xmas gifts and many other special days 5. EASY TO USE: Luminous tie with on off controller(not included). The controller is equipped with sensitivity adjustment to easily adapt to different music styles and rhythms. The glow party light accessories can be adjusted with zip length, easy to wear, suitable for almost anyone Specification: Item Type: Sound Activated Light Up Tie Battery: 2 x AAA Batteries(not included) Lighting Modes: Stable Light, Slow Flash, Fast Flash, Bar Flash, and Sound Control Flashing Mode(beat flashing mode). Beat flashing mode is sound activated, creating a unique flashing mode that responds to the surrounding environment volume. Package List: 1 x Sound Activated Light Up Tie Note: Manual measurement, size error 1-3cm.