Edifier International, the award-winning audio design house, has announced the addition of the new W830NB headset to its comprehensive range of headphones. With a competitive price point, the W830NB is packed full of outstanding features. -45dbB Noise Cancellation, Mute the Outside World Edifier W830NB features a built-in large-capacity battery and a low power consumption chipset, the headset offers an impressive 94 hours of continuous music playback with ANC off. The upgraded hybrid digital noise-cancelling technology offers a remarkable noise reduction of up to -45dB, an 18% increase from th…