Product Introduction Brand New 【Up to 42 Hours - Long-Lasting Model】 This long-lasting model uses a UN38.3 (UN standard) battery and achieves power saving. It's also a quick-charging model, capable of charging over 98% in about 90 minutes. You can use it without worrying about running out of battery even when going out for a day. This model is also recommended for use during long-distance travel such as in cars, airplanes, and bullet trains. 【Single-Directional Microphone & Hands-Free Calling】 The hands-free microphone allows for clear calls. It can also be used for web conferences, such as telework. Even if a call comes in while playing music, you can switch with the touch of a button. It's easy to hear even at low volumes, so there's less worry about sound leakage, making it a user-friendly model even for headset beginners. 【Water Resistant & Lightweight】 It's also lightweight, making it perfect for use when going out. It weighs about 5 grams. Its light weight makes it easy to carry around. It also has waterproof and dustproof processing, equivalent to IP55. Therefore, it can be used outdoors or while on the go. It's also highly compatible and can be used with Bluetooth-enabled devices regardless of the model of smartphones, tablets, and PCs. 【Improved Transfer Speed (Bluetooth 5.0 Equipped), with Microphone】 It uses a Bluetooth 5.0 chip, and the transfer speed is nearly twice as fast as the conventional 4.2. In addition to the Bluetooth function, it also has an audio input terminal, allowing you to enjoy music with a micro SD card or by connecting an audio cable. The transfer speed is significantly improved compared to the previous standard, allowing you to enjoy high-quality sound. As a result, the frequency of communication errors is reduced, and stable connections can be expected. This model has not only audio but also a microphone, making it the latest model that can be used for video calls such as ZOOM and Skype, and for transferring phone calls from smartphones. Compatible Items: Android devices such as Docomo, au, Softbank, various PC devices, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12, iPhone 12 mini, iPhone SE, and all other iPhone devices.