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】 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. Technical Conformity Mark certified product (Frequency band: 2.4GHz band) ●Earphone design that makes it easy to wear in your ears and prevents fatigue.The finger-shaped design and tactile material make it easy to hold and difficult to drop from your hand. ●Newly developed charging case that is lightweight and easy to carry. The earphones are designed at an angle that makes it easy to take them out of the case, and the material has the same tactile feel as the earphones, making them difficult to fall out of your hands. Comes with 4 types of soft silicone earpieces (XS, S, M, L sizes) that provide optimal sound quality and fit ●Achieves high waterproof performance IPX5/7 that allows the earphones to be washed with water. You don't have to worry about it even if you get wet in the rain or sweat. Don't worry if you drop it into water. Intuitive operation with one button without hesitation. You can also adjust the volume while listening or calling without stress. You can make clear, hands-free calls with both ears or one ear. It suppresses wind noise and allows you to talk safely both indoors and outdoors. ●Sidetone function makes it easier to talk by returning your voice to the earphones. You won't have to raise your voice unnecessarily, which is common during calls. Other convenient features ●Power on and use immediately by simply taking it out of the case ●Fast Pair compatible when connected to an Android device ●Can be used with just one ear ●Simultaneous transmission on the left and right sides for a stable connection that is resistant to audio interruptions ●Low Latency Mode that suppresses the lag between sound and video ●Continuous playback for about 7 hours, maximum playback for about 21 hours ●Multi-pairing function that allows you to register multiple devices