Thank you for viewing this product from among many others. ☆Instant purchase without comment is OK☆ ☆Please note that even if we are communicating in the comments, we will conduct the transaction with the person who purchases first. ↓↓If you like, we have other items for sale, so please take a look at them as well↓↓ #BananaChoco'sElectronicsShop 【Product Description】 《786+-0052》 【Up to 42 hours - Long-lasting model】 This is a long-lasting model that uses UN38.3 (UN standard) batteries and achieves power saving. It is also a quick-charging model that can charge over 98% in about 90 minutes. You can use it without worrying about running out of battery even when you go out for a day. This model is also recommended for use during long-distance travel such as in cars, airplanes, and bullet trains. 【Unidirectional microphone - Hands-free calling】 With the hands-free microphone, you can make 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 is easy to hear even at low volumes, so there is less worry about sound leakage, and it is a user-friendly model even for headset beginners. 【Waterproof and Lightweight】 It is also lightweight, making it perfect for use when going out. It weighs about 5 grams. It is lightweight, so you can easily carry it around. It is also waterproof and dustproof, equivalent to IP55. Therefore, it can be used outdoors or while you are out and about. It is also highly compatible and can be used with Bluetooth-enabled smartphones, tablets, and computers of all models. 【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, so you can enjoy music with a micro SD card or by connecting an audio cable. The transfer speed is significantly improved compared to the conventional standard, and you can enjoy high-quality sound. As a result, the frequency of communication errors is reduced, and stable connection can be expected. This model has not only audio but also a microphone, so it is the latest model that can be used for video calls such as ZOOM and Skype, and for transferring phone calls from smartphones.