Nitecore NU31BL USB Rechargeable Headlamp (Blue)
(Nitecore NU31BL)

• Triple Output Lightweight USB-C Rechargeable Headlamp
• Primary White LED with CRI≥90
• Built-in 1,800mAh Li-ion Battery
• USB-C Charging Port (5V-1A)

Overview

The NITECORE NU31 is a Pro-grade USB-C Headlamp for trail runners. 550 Lumens, 145m Max Distance, 95.5g weight. CRI≥90, Red Light, 5 Levels, 3 Modes, 4 Indicators. It is durable, compact, waterproof, and easy one-handed operation. Ideal for demanding outdoor activities.

Key Features and Specifications:.

Triple Light Output: NU31 offers spotlight and floodlight modes, illuminating up to 145m. Wide 100o field enhances ground vision. Reflective headband and transport lock prevent accidental activation.

Ideal for Running: Lightweight, with red light for night vision, 2 special modes, and 8-hour autonomy at 200 lumens for a 90m range. Perfect for runners.

USB-C Charging: Convenient charging via USB-C. Flip-up cover for port access. Approx. 3 hours charging time. Standby time post full charge is approximately 12 months.

Intuitive Controls: Power button manages on/off and brightness. Mode button switches light sources. Special modes (SOS/BEACON) accessible with button combinations.

Auxiliary Lights: White auxiliary light with ULTRA-LOW and LOW modes. Red auxiliary light with STEADY and SLOW FLASHING modes. Changing light sources and modes explained.

Lock/Unlock Feature: Secure transport with a 2-second press for lock mode. In lock mode, brightness and special modes are inaccessible. Unlock by long-pressing both buttons.

Charging Indication: 4 power indicators flash during charging, steadily lit when fully charged. Battery status check with a short press of the MODE button when the light is off.

Power Saving Measures: TURBO mode decreases to prevent overheating during prolonged use. Automatic unlock during charging in lock mode.

Special Modes (SOS/BEACON): Access SOS by pressing the Mode button twice. Toggle between SOS and BEACON in special modes. Resume to the previous state with a double press.

User-Friendly Design: NU31 prioritizes ease of use with intuitive controls, versatile lighting options, and thoughtful features for runners and outdoor enthusiasts.