Color: jet black modern, sleek design with illuminated flashing blue edge ledâ€s. Deep, clear sound with powerful bass (12mm driver). Rugged, waterproof shield (ipx5â€"completely washable). 3d flex sport clip design with quick-fit adjuster; stays in place for high impact activity. Quick charge battery (up to 6 hours playback on full charge, 15 minutes charge = 72 minutes playback).