10–180 Lumens Output: Powered by domestic XPE lamp beads, the B2S delivers a wide range of brightness levels. Click the switch to cycle through High light, Medium light, Low light, Red light, Red light SOS, and Off modes, making it suitable for various scenarios—from intense task lighting during professional operations to subtle ambient lighting for camping.Red Light & SOS Function: The red light mode is ideal for preserving night vision or signaling in emergencies, while the Red light SOS mode can quickly attract attention during rescue operations.1200mAh Polymer Battery, Provides 4–16 hours of continuous runtime, depending on the selected brightness mode, ensuring long - lasting performance for extended outdoor activities.
USB Charging Convenience, Recharge via any USB port, whether it’s from a power bank, laptop, or wall adapter. This flexibility makes it easy to keep the headlight powered up during off - grid adventures or on - the - go professional tasks.51g Ultra - Lightweight Build: Comfortable for extended wear, perfect for running, hiking, or long - term rescue missions without causing fatigue.
IPX4 Waterproof Rating, Resistant to splashing water from all directions, the USB charging headlight B2S can withstand light rain, accidental splashes, and humid environments, ensuring reliable operation in various weather conditions.