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【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.
Kindly confirm these details before placing your order.
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High-resolution dynamic audio drivers provide spacious sound and deep bass.
All-new heavy-duty cord and plug with in-line microphone and remote and spring-reinforced strain relief.
Patented suspension is designed for personalized comfort and extended use.
Light and portable. Comes with an adjustable headband. Perfect for any situation.
limited lifetime warranty
The highly acclaimed Koss KPH30i on-ear headphones offer lightweight, adjustable portability and surprisingly spacious sound on the go. The Koss KPH30i is a direct descendant of the Koss Pro35 and the popular Koss KTXPro1. With modern features like an in-line microphone and remote control, the KPH30i keeps listeners connected while enjoying their favorite songs. The lightweight on-ear headphones feature an open-air design with smooth bass and clean treble. The 60 ohm element is perfectly tuned for on-the-go use with most mobile hardware content players. With a patented suspension, the KPH30i creates the perfect fit for hours of comfortable listening enjoyment. Plug in KPH30i. Durable cable system with spring-reinforced strain relief for long life.
