The NITECORE NU31 high-performance lightweight USB-C rechargeable headlamp has an innovative design of built-in 1800mAh Li-ion battery that features light weight and high capacity, achieving the perfect combination of light weight, long life, and outstanding power.

Thanks to an optimized smart charging solution, it only takes 1.5 hours to fully charge the NU31, which greatly saves your waiting time. In addition, the ultra-low standby power consumption enables a ready experience for 365 days in the standby state.

The NU31 can produce a maximum output of 550 lumens, ideal for night walking and outdoor sports such as hiking and jogging. Utilizes a unibody optical lens system with various facets for reflecting a uniform and soft light

Weighing a total of 95.5 g / 3.37 oz, the NU31 is made from durable PC material with an aluminum alloy front housing. It features 5 brightness levels, 3 light sources, and 3 special modes available. The primary white LED with a max output of 550 lumens. The NU31 is also equipped with a high CRI auxiliary white light (CRI>90) and Red light illumination designed for preserving the night vision.

The elastic headband is comfortable to wear and is designed with the hidden silicone strip to divert perspiration to the sides of the head and prevent the headband from slipping.

The two-button interface allows for easy operation: long press the power button for 1 second to turn it on/off. The NU31 is also available with direct access to the Red Light or ULTRALOW level.

Equipped with multiple protection measures: sensor protection function, carry guarantee and lock mode, the NU31 is IP68 rated and 1m shockproof, ideal for trail running, hiking, camping, cycling and more.

Its dimensions are 62.3mm x 46mm x 35.6mm (2.45" x 1.81" x 1.40") so it is also a very comfortable light to carry, for example inside a backpack or pocket.

Designed with 4 power indicators to inform the remaining battery power. In this way the user always knows when it is time to recharge the battery and what its current level is. The maximum distance that can be reached is 145 m when using the turbo light while its maximum luminous intensity is 5800 candles. Thanks to the built-in 1800mAh battery the flashlight can stay on for a long time up to 147 hours continuously when used on the lowest output level. The beam of this light is particularly uniform and well spread out in the space and does not present any artifacts, ideal for illuminating the road when walking in the dark.

Features

• Triple output lightweight USB-C rechargeable headlamp 
• A primary white LED with a max output of 550 lumens Equipped with a high CRI auxiliary white light (CRI>90)
• Red light illumination designed for preserving the night vision
• Utilizes a unibody optical lens system with various facets for reflecting a uniform and so什 light
• Built-in 1800mAh Li-ion battery
• Built-in intelligent Li-ion battery charging circuit with a USB-C charging port (5V-1A)
• Designed with two buttons different in shape and touch, offering easy one-handed operation
• 5 brightness levels, 3 light sources, and 3 special modes available 
• Designed with 4 power indicators to inform the remaining battery power 
• Made from durable PC material with an aluminum alloy front housing 
• Compact and lightweight Impact resistant to 1 meter
• Waterproof and dustproof rating in accordance with IP66

Specifications
Max Output 550 lumens
Max Beam Distance 145 m
Max Beam Intensity 5800 cd
Max Runtime 147 h 0 m / 6.12 d
LED High performance LEDs
Battery Built-in 1,800mAh Li-ion Battery
Special Modes Location Beacon, SOS
Beam color White Light
Dimensions 62.3mm x 46mm x 35.6mm
(2.45" x 1.81" x 1.40")
Weight 95.5 g / 3.37 oz
Feature Rechargeable
Activity Outdoor/Camping 

SHIPPING
The final shipping cost and estimated delivery timeframe will be available to you during checkout. Currently, we offer 3 International shipping methods which are steady and easy to track. Priority worldwide shipping, Premium ( Partial countries) and a faster Express shipping. The estimated times stated below are not guaranteed. An international package could experience delays like postal strikes or severe weather or Cov-19 situation. All shipping ways, PO Box address is not acceptable.

For some flashlights, there's a pure battery inside（phone charging）,If We can not ship your packages via USPS or DHL,we'll ship your package in another way.

If you don’t receive your order within the estimated time frame provided below and suspect that it might be lost in transit, please contact Flashlightgo Support ( support@flashlightgo.com ) and we can look into the order with the courier. Lost-in-transit requests must be submitted to Flashlightgo Support within 3 months of the date of shipping or before the courier archives the tracking information.

Option 1.
Express by DHL/UPS/Fedex/Aramax/SF etc ( there may be tax need to pay in this way),
The estimated time of delivery is usually 3-7 work days depending on the country. Includes detailed tracking and confirmation of delivery.

Option 2.
Premium ( 6-10days, All tax and Duty Paid),
All tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Option 3.
Priority shipping(1-2 Weeks, average 10 days)
If we marked it is with all tax and duty paid, all tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Learn more,Please click on Here.

To ensure that you get the desirable product, we allow a seven-day product return period. Any product return application outside this period will not be entertained.
All returned product must be unused and the original package should be kept.

Return：
We do not offer return for personal products like socks and hats or food, magazine and fragile or dangerous products The original receipt must be available for application of return.

Discount products：
No product return for discount products

Gifts products：
If the item is marked as a gift when purchased and shipped directly to you, it cannot be exchanged , refunded or warranty.

Exchange：
We only replace items if they are defective or damaged.
Exchange service are offered only to wrong deliveries or product damage not caused by client. If needed, please email to info@flashlightgo.com.

Warranty
How long is the warranty period?
Flashlightgo warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order except the items listed below:
Chargers,Batteries and Other Accessories: 3 months warranty

Should the Product(s) supplied by Flashlightgo prove defective because of improper workmanship or material as reasonably determined by us, Flashlightgo agrees, at its option, to either repair or replace the Product free of charge, excluding any shipping or handling charges.

Learn more,Please click here.