Can the Valkee 2 ease jet lag by lighting up ears? It didn't for me | Gadgets | The Guardian
The Valkee conundrum: I've been shining bright light on my brain for weeks now, and I don't know why - Tech.eu
Valkee 2 Bright Light Headset for Winter Blues - Model (black) for sale online | eBay
Will Valkee's LED earbuds alleviate jet lag? - CNET
Valkee 2 Bright Light Headset among the Red Dot Winners in 2014
Valkee Launches New Generation Bright Light Headset Valkee 2, Combines Health Benefits with Mobility, Usability and Design
Valkee's bright light headset created an optical illusion
HumanCharger® Wireless Headset - HumanCharger
Valkee 2's headset is now detachable from the device, allowing users to share the device more easily while keeping their personal … | Light therapy, Health, Fitness