ROCKBROS Casco Fanale Posteriore Bici Casco Ciclismo Ultraleggero con Luce USB 3 Modalità
LED highlight taillight warning. Fit: Cycling, Riding, Hiking, Adventure, Camping, Running, Outdoor Sport. 3 Lighting modes button to switch easily. Power: USB charging. Flash about 12 hours. USB convenient charging 300nah long battery life.