Panasonic wireless earphones black bluetooth IPX4 RZ-S30W-K

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. Achieves both stable Bluetooth(R) connectivity and compactness High-performance microphone and wind noise prevention enable clear voice calls with reduced noise. Driver unit: 6mm diameter Mass: Earphone: Approx. 4g (one side only: LR equivalent), Charging case: Approx. 45g Charging time * Earphones + charging case (simultaneous charging) (25°C): Approximately 4 hours * Time taken to fully charge from empty battery.