Thank you for viewing. Electrostatic headphones employing hybrid dual-driver technology, with a frequency response of 50kHz and supporting high-resolution audio. - Brand: CYBERDRIVE - Model: HP1212CD - Type: Electrostatic Headphones - Technology: Hybrid Dual-Driver Technology - Frequency Response: 50kHz - High-Resolution Audio Support: Yes 【Product Condition】 There are no noticeable damages or folds. The contents are in a readable condition. There are no markings. It has been stored in a room without smoking or pets. We have checked the item, but there may be other overlooked markings, so please understand this before purchasing. 【Shipping】 We will ship via free, anonymous delivery. 【Notes】 This is a used item stored by an individual. The feeling of use varies from person to person. Please refrain from purchasing if you are sensitive to such things. We cannot accept claims after purchase. Please purchase only if you understand the above. 【Other】 We manage the item in an environment without smokers or pets. Product photos are taken under white lighting, regardless of day or night.