Queen of Audio Vesper In-Ear Monitors sports-headphones This is the major factor

This is the major factor of the unbalanced vibration

with its built-in switchable phono preamp

Nozzle color coding: right is red and left is blue

whether you're trying to block out city traffic or office chatter

Queen of Audio Vesper In-Ear Monitors sports-headphones This is the major factorSpecification Driver Spec: 1 Dynamic Driver + 1 Knowles BA Driver Impedance: 16 ohms Sensitivity: 116 db Frequency Range: 20Hz 20kHz Plug Type: 3. 5mm Plug Interface: 2 pin 0. 78 Cable Length: 1. 2m (detachable) Cable Material: Copper + Silver Braided Vesper is light weight, with simple design, to create fashion sense of technology Hybrid BA DD combination, enrich every detail Knowles 32873 + 10mm dynamic drivers, enhance high quality detailed