These concept “portable” Ecoball speakers might be larger than you’re used to, but it sports a useful feature – it features a built-in battery that can be recharged via solar energy gathered from the panels integrated on the carry strap. It’s touted as being able to sync with your gadget, so perhaps there is a Bluetooth module hidden inside. When you want to get your daily fix of music, just crack it open and you’ll be presented with two speaker satellites, perfect for a picnic trip.
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