Finland’s Elfys raises €3 million energy efficient wearables

Photodetector company Elfys raises €3M  to ramp up the production for the growing  wearable market that are more energy efficient. The round is lead by deeptech investor Voima Ventures, whose portfolio includes the successful Oura Ring. Photodetectors are sensors of light most commonly used in devices such as  smartwatches or any other worn...

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