Koss X Retrospekt Retro Retro Orange Adjustable Wired Orange P/21 On-Ear Headphones, Foam, Headband, 3.5mm Plug, Black, Silver.

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

Frequency Response: 30-17,000Hz - Impedance: 32 ohms - Sensitivity: 104dB SPL - 4 feet cord Audible open-back design that provides an exceptional and extensive listening experience. Durable and ultra-lightweight stainless steel design. Integrated size-adjustable headband. limited lifetime warranty The ultimate retro headphones. Made by Koss and sold exclusively at Retrospekt. It combines classic orange foam with a flexible, adjustable metal band to give you an unparalleled throwback look, but it's more than just aesthetics. Featuring Koss technology, this stereophone offers cutting-edge sound reproduction and strength for unparalleled sonic richness.