Package Contents HS330 headset, white Cable Type 1.2m Color White Notes Frequency Response 20 ~ 20kHz Driver Type 2-Way Dynamic Driver (3.5mm) Impedance 32 ohm With its Dual Speaker, the HS-330 is carefully designed to enrich your musical senses. The 8mm tweeter and the 10mm woofer provide a rich, high fidelity sound in all registers supported by a deep bass tone. Even better, the slit and the air holes minimise air pressure to ensure a perfectly balanced sound. The HS-330 comes with 3 differently sized pairs of ear buds. You simply choose the ones that give you the best fit and comfort. In addition to the perfect fit, the improved design also provides perfect insulation from outside noise. You'll be impressed by the flat cable of the HS-330. Easier to use and far more robust, this tangle-free design means the cable is instantly ready for trouble-free use every time, and has long-term durability too.