KOSS open type headphones KOSS PORTA PRO Red Hot Scandinavian limited color [product]

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Ultra-portable on-ear headphones with dynamic elements and extended frequency response. Comfort zone settings with temporal padding for a comfortable and secure fit. The ultimate active headphones. Foldable headband design for protective storage. Oxygen-free copper voice coil delivers deep bass and signal clarity. Comes with a carry case for convenient protective storage.