Ergonomic in-ear headphones that offer powerful bass and a cushioned loop design which can be adjusted to the natural shape of your ear for a secure fit. They contain a micro-porous filter that acts as a sonic diffuser, improving the clarity, depth and range of the sound, as well as bespoke 9.2mm dynamic transducers with CCAW coils for remarkable bass extension. Tungsten steel weights balance the speaker units towards the ear, so they provide clean, consistent audio. The headphones feature a 1.2m long cable with 3.5mm stereo mini jack. Frequency range: 10 Hz-20 kHz. Impedance: 32 Ohm. Distortion: <0.2%. Sensitivity: 115 dB/V. Max. input power: 3 mW. Weight: 20 g.