<b>Why buy this product? </b><br><br> When you are exercising at night, you can put yourself in a safe state and let the driver or pedestrian see you at a great distance. <br> Or at night, you want people to take the initiative to see you, at the night venues, etc. <br> This is why you need the <b>LED SAFE VEST</b> product. <br><br> <b>Feature: </b> <b>High quality Material：</b>Fluorescent Knitted Fabric + 3mm Round Fiber Strip + Highlight Lettering Reflective Film.<br> <b>Chargeable: </b>400 mA USB rechargeable battery. <br> <b>Three Modes: </b>change the light between steady mode, rapid flashing and slow flashing with just 1 click. <br>