Product description    GENUINE and ORIGINAL Packing same as Pictures.Provide Tracking NumberHigh- quality design that employs a high-performance driver unit with a large diameter 40mmAdoption ， to delicate treble from the bass ， and delivers a wide range of playing large-diameter 40mm unit . I played in the sound of high-quality sound in a high-pitched tone and clear rich bass .I adopt a useful counter-rotating one ear monitor mechanism to AV editingIf you reverse the housing ， the AV editing ， use of in one ear monitor is easily enjoy .Adopt about 3.5m cord suitable for home useTo be able to enjoy in your room in a relaxed manner and AV viewing ， I adopt about 3.5m cord suitable for home use .● standard stereo mini plug adapter 24K gold plating ( diameter 6.3mm)● input plug 24K gold plating ( diameter 3.5mm)High- quality design that employs a high-performance driver unit with a large diameter 40mmAdoption ， to delicate treble from the bass ， and delivers a wide range of playing large-diameter 40mm unit . I played in the sound of high-quality sound in a high-pitched tone and clear rich bass .I adopt a useful counter-rotating one ear monitor mechanism to AV editingIf you reverse the housing ， the AV editing ， use of in one ear monitor is easily enjoy .Adopt about 3.5m cord suitable for home useTo be able to enjoy in your room in a relaxed manner and AV viewing ， I adopt about 3.5m cord suitable for home use .● standard stereo mini plug adapter 24K gold plating ( diameter 6.3mm)● input plug 24K gold plating ( diameter 3.5mm)