The coolest looking portable speaker, hands down. AeroSkull is not only cool looking, but it’s also the loudest, with powerful hi-def sound. The rechargeable speaker gives you up to 8 hours of playtime, and can be recharged via any USB port. It is compatible with any Bluetooth enabled device, or can be connected via a 3.5mm audio jack. AeroSkull is available in matte black, red, chrome and gold.