Great for Zoom parties, fancy dress, concerts, festivals night clubs stag and hen parties. You tube or tiktok, virtual or physical celebrations or parties.YOU ARE BUYING ONE NEW BLACK T-SHIRT WITH SPEAKER EQUALIZER SIGN LOGO ON .Complete with LED flashing panel light reacts to music and sound .  On and off Control and sensitivity adjustment for the sensitivity of music to light. Has a sound sensitivity control to take you all the way from loud anthem beats to the chill out room. 4 x AAA batteries required (more powerful than the 2 battery models sold elsewhere). Batteries are not included.UK stock available now! PLEASE NOTE THE SIZES RUN SMALLER SO IF YOU ARE L ON UK/USA SIZE YOU SHOULD GET THE XLARGE .