☘️ Instant purchase welcome (o^^o) ✨✨ ☘️ Followers are welcome ✨✨ ☘️ Brand new ✨✨ Since it is new, the operation has not been confirmed. The cable may have a low volume. 【Up to 42 hours - Long-lasting model】 This is a long-lasting model that uses a UN38.3 (UN standard) battery 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 going out for a day. It is also recommended for use during long-distance travel such as in cars, airplanes, and bullet trains. 【Single-directional 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. 【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 going out. It is also highly compatible and can be used with Bluetooth-enabled devices regardless of the model of various smartphones, tablets, and computers. 【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. Compatible items: Android devices such as Docomo, au, Softbank, various PC devices, etc., iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12, iPhone 12 mini, iPhone SE, and all iPhone devices. Product number 3810-20-$$1400 Post Headset Wireless Earphones Headphones Mobile Phone Smartphone Bluetooth 5.0 Bluetooth Tablet Compatible Built-in Microphone Single Ear 42 hours Long Time High-speed Charging IP55 Waterproof Dustproof ISO9001 Certified Headset Wireless Earphones Bluetooth 5.0 Built-in Microphone Single Ear ④