Siemens Gigaset Eco Visions Concept Designs, as Environmentally Friendly as it Gets

It’s been a while since the last eco friendly handset, hasn’t it? Formwelt design studio is ready to introduce us to its newest concept phones, designed for Siemens, the Solar and Leaf projects. They’re part of the Gigaset Eco Visions series and can be considered the greenest handsets we’ve seen