J Lamp FAQ
Quick answers about the J Lamp.
Is there a real flame or smoke?
No. The ember tip is a light. No flame, no smoke, nothing to light.
How long does it last on a charge?
Up to approximately 10 hours per charge. Actual runtime depends on the brightness setting, charge level, battery condition and ambient temperature.
How do I charge it?
Recharge it through the black USB-C port on the base, using a compatible USB-C cable and a 5 V DC USB power source.
What is in the box?
The lamp, a USB-C cable and a Quick Start and Safety Guide.
Can I dim it?
Yes. While the lamp is on, press and hold the button to adjust brightness continuously. Release it at the brightness you want. Tap the button to switch the lamp on or off. When you switch it on again, it returns to the brightness you last used.
How big is it?
42 cm tall, including the base.
When will it arrive?
It ships from Hong Kong within 2 business days, then takes about 8–12 business days in transit.
Full specifications, charging and care notes are on the J Lamp product page. Comparing joint-shaped lamps? Read the joint-shaped lamp buying guide.
Something else? Ask us directly.
