Description
Hifiman HE R10D Dynamic Closed Back Headphones (Open Box) usb b male 7 V lithium polymer rechargeable Material:Platan (6.3mm) 6.35mm male 4 PIN balanced headphone F1 HE6BCG3 7 V lithium polymer rechargeable battery Battery Life 5 hours continuous use (200 hours standby) and just more silence