Extra Bass: Boult’s Neodymium technology enables drivers to deliver extra punchy and deep bass with accentuates the warm mids and crystal clear sparky highs. The powerful 10mm dynamic driver with the speaker resistance of 16 ohm enables the earphone to deliver a punchy, rhythmic response to the most demanding tracks. Premium Design: Ergonomic and ultra-lightweight in-ear design with solid sound-insulating material reduces external noise while minimizing the sound leakage, giving you stunning sound. High quality built-in design: Built-in premium Shockproof membrane and Sound units, have a better sensitivity and noise reduction than traditional headphones, can drive out good sound quality even using ordinary device.