Is it OK to use all day?

No. I did call the company which I do suggest for any questions. They were real nice and there was no wait time. The woman I spoke to said you know when you have had to much because you feel like you have had too much coffee. My light is about a foot away and I do two hours max at full power. I do believe it would be different for each individual.

What are the three temperatures (in Kelvin) ?

The color temperature are as follows: Warm: 2700K-3200K General Ambient: 3700K-4300K Reading/Tasking: 4745K-5311K

Does this lamp have more than one usb port? can you charge your iphone and have the light on at the same time?

This product only has one USB port.

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Description

🌞 Brighten your workspace, boost your life!

TRUSTED WELLNESS INNOVATION - Backed by 60+ years of healthy lighting expertise and a 3-year warranty
BOOST MOOD FOCUS NATURALLY - 10,000 LUX UV-free therapy to enhance energy, sleep, and mental clarity
ILLUMINATE YOUR DAY YOUR WAY - Customize 3 color temps & 7 brightness levels for perfect light anytime
SLEEK DESIGN WITH SMART POWER - Modern gooseneck lamp doubles as a USB charging station for your devices
EYE COMFORT MEETS PRODUCTIVITY - Flicker-free LED with Optix lens reduces eye strain during long work sessions

The Verilux HappyLight Duo is a UV-free, full spectrum LED desk lamp delivering up to 10,000 LUX of natural light therapy. Featuring adjustable brightness and color temperature, a flexible gooseneck, and an integrated USB charging port, it enhances mood, focus, and sleep while reducing eye strain. Designed with a sleek modern aesthetic and backed by over 60 years of lighting expertise, it’s a smart, health-conscious addition to any professional workspace.

Specifications

Finish Type	Polished
Item Weight	1.36 kg
Lamp Type	desk lamp,table lamp
Shade Colour	White
Switch Type	Push Button
Brand	Verilux
Colour	White
Special Feature	Full Spectrum, USB Charging Port
Light Source Type	LED
Recommended Uses For Product	Uv-free
Power Source	Corded Electric
Shape	Rectangular
Number of Light Sources	1
Included Components	Dimmer
Is Waterproof	False
Mounting Type	Tabletop
Number of Items	1
Lighting Method	Adjustable
Manufacturer	daylight
Height	38.61 Centimeters
Length	34.54 Centimeters
Width	5.08 Centimeters
Finish types	Polished
Voltage	12 Volts (DC)
Specific Uses	Reading
Special Features	Full Spectrum, USB Charging Port
Batteries Included	No
Batteries Required	No
EU Energy Efficiency Label	Highly Efficient
Manufacturer	daylight

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