4x Balanced Armature (BA) Driver Units
Sony's original design BA Driver Units
Lightweight magnesium alloy housing delivers clear sound
Audio grade film capacitor for reduced audio distortion
Optimized sound path for ideal frequency response
Included 4.4mm standard balanced connection cable
Silver-coated oxygen-free copper cables for minimized signal transmission loss
In the box: Triple Comfort ear buds: SS, S, MS, M, ML, L, Hybrid Silicone ear buds: SS, S, MS, M, ML, L, LL Clip Carrying case, Cable holder, Cleaning cloth, Cable clip