BBB Light Matte Black ONE SIZE Signal Bicycle LED Headlight BLS-136

Adopts a large COB (chip on board) LED that provides extremely high visibility even from the side. A strap mount compatible with Φ5-42mm and a USB port with a structure that prevents water from entering. Comes with a safety mode. When the battery level is low, it will switch to a flash mode for at least 4 hours. Can be used continuously for 31 hours (+4 hours flash mode) in day flash mode. Equipped with a memory function that remembers the last mode used.