Sofirn HS40 USB-C Rechargeable Headlamp

Hands-free light for your next task

Keep your hands available while lighting a repair, a campsite task, or an evening project. The Sofirn HS40 combines an SST40 LED with USB-C charging and a power indicator in a compact aluminum body.

Lighting and charging

• Listed maximum output: Up to 2,000 lumens. Maximum output is not a guaranteed sustained brightness.
• LED: SST40.
• Light-color choices: 5000–5300K or 6000–6500K. These Kelvin values describe light color, not operating temperature.
• Battery: One 3000mAh 18650 lithium-ion battery, listed as included.
• Charging: USB-C, listed at 5V/2A.
• Power indicator: Helps you check battery status.
• Brightness adjustment: The existing specifications list High, Mid, and Low settings with automatic stepdown from Turbo. Follow the included manual for the exact mode sequence.

Size and construction

• Length: Approximately 4.37 inches (11.1 cm).
• Head diameter: Approximately 1.02 inches (2.6 cm).
• Body diameter: Approximately 0.98 inches (2.5 cm).
• Weight: Approximately 2.3 oz (65 g), excluding battery and headstrap.
• Body: Listed as 6061 aluminum with Type III hard-anodized finish.
• Lens: Listed as toughened mineral glass.

Use and care: Follow the manufacturer’s charging and battery-handling instructions. An exact water-resistance rating is not provided in the written listing; do not assume suitability for immersion. Avoid directing the beam into eyes.