What goes into designing a solar-powered Bluetooth speaker

Urbanista's Malibu.

After releasing two solar-powered pairs of headphones, you would have thought that it'd be simple for Urbanista to apply the same technology to a Bluetooth speaker. But with the Malibu, which is being shown off at IFA in Berlin ahead of its release later this month, Urbanista says it had a whole new set of challenges to overcome.

That's because the company's approach to its solar powered products hasn't just been to put some solar-absorbing material on an existing device and call it a day. Instead, Urbanista product director Marten Sahlen and the company's brand and marketing director Tuomas Lonka tell me the company spends a lot of time making the products more power efficient in the first place, so they can get the maximum benefit from...

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