Vision Ears GO live! - universal 4-way in-ear headphones; hybrid 4-driver setup; 1x dynamic bass driver, 2x balanced armature midrange, 1x balanced armature treble; Frequency response: 20-20,000 Hz; impedance: 10 ohms; sensitivity: 108 dB; application: all-rounder; housing shape: universal, ergonomic; CNC-milled aluminium housing; detachable cable; cable plug: jack, 3.5 TRS male; weight: 40 g; colour: black; includes cable, zipper case and various ear tips (S, M, L)