This is a set of a self-illuminating armband and a charging cable. How about using it for safety measures when walking, running, or strolling at night? It is USB rechargeable, so it can be used repeatedly and is economical. We will ship after confirming operation. Thank you for looking. Please refrain from purchasing if you are sensitive about personal storage. No price negotiations, please. Reflector Reflective material Safety Night LED armband Running band Running Stroll Night Safety