Radius Radius Ne Structure Dynamic Driver Wired Canal Type No Microphone Earphones HP-NEF31 Earphones High-MFD Cost-effective HP-NEF31K (black)

【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. High-MFD structure driver Deep mount earpiece included The vibrating membrane inside the driver unit uses a "super multilayer film" made of hundreds of layers of polyester resin films. It has higher rigidity than general PET film and achieves more brilliant sound quality reproduction. *We do not accept returns or exchanges for items other than defective items. Thank you for your understanding. [Note] To improve the quality of radius products, we perform inspections, firmware updates, and periodic recharging before shipping. Therefore, products that have been temporarily opened may be mixed in with the product, but this is an unused product and there is no problem with the quality. Thank you for your understanding.