Hypercel is looking to let you rock out with the Roqout, a water-resistant and sandproof Bluetooth speaker. This mono speaker features a 50mm speaker drive and passive radiator and offers 4.5 hours of playback from the built-in 500mAh Li-ion rechargeable battery. This small package packs a big punch.
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Hypercell – Finite Audioworx RoqOut Wireless Bluetooth Speaker