Smart Bluetooth 96x128 HD P3.75 LED Backpack With Display Screen Advertising  Daily commuting from work,class, especially at night, do not let yourself be in a darkstate  Tourism photography Photographic equipment and other items are afraid of water and dust, A waterproof and dustproof backpack with warning function is a good choice.  Star Music Take it to activities, concerts and birthday parties, You are the most exemplary atmosphere group.  Outdoor cycling Effectively wake up the driver of the rear vehicle and prevent himself from being in a blind spot.  Waterproof function It is made of waterproof fabric, which is impervious to water, and water droplets automatically slide down,It can walk freely in rainy days without fear of worrying about the LED screen.  Brand story Love yourself, love life,Love for youth and creative expression, believe that they can create unlimited possibilities and break the definition of being limited,Dominate life with efforts, work hard for dreams with sureness, declare yourself with love, and let everyone have their own attitude when traveling.