Valkee 2 User Manual - Waking Up

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withdrawal, decreased physical activity, fatigue, 

cravings for foods that are high in carbohydra-

tes, and weight gain, use the device on a regular 

basis 

in the morning within two hours after 

waking up

at the same time each day.  

If your seasonal mood swings are more severe 

and you are suffering from depression, or if you 

currently are on medication for depression, 

consult your physician and use light therapy 

only under supervision.

2.3. CHARGING

It is recommended to use the charger sold 

or otherwise provided by Valkee for your 

device. Other chargers or power sources 

may exceed the limits of IEC 60601-1. 

However, the device can also be charged 

with many mobile-phone chargers or 

smartphone micro-USB chargers or from 

a computer’s USB port without damage to 

the device.

If you have a problem with charging, see 

the ‘Troubleshooting’ section.