Spark High Definition In-ear Headphones are the combination of precision acoustics, unique design and expert ergonomic research. Powerful and accurate acoustics are achieved through high performance dynamic driver and special high definition acoustic filter built-in, resulting in full, explosive bass, intense mid-range and clear treble frequency response that will put a smile on your face...
"The Red" HDSS IEMs by Blue Ever Blue are one of the most highly praised earphones in their price range. Small and comfortable with dynamics formerly unavailable at this price point. If not completely satisfied in 30 days, BioLinks will refund your money.