Bone conduction earphones with IP55 waterproof performance and CVC8.0 ENC noise cancellation technology. Can be worn without blocking the ears, making it easy to grasp the surrounding situation while wearing the earphones! You can pay attention to the surrounding environment even during commuting or sports, and enjoy music with peace of mind. Can be used in different work environments such as drivers, warehouse workers, offices, online classes, working from home, and telework. After charging for 2 hours with a Type-C charging cable, you can use it for up to 8 hours for both music and calls! Even a 10-minute charge allows for 1.5 hours of use, so you can quickly charge and use it even when you're in a hurry. Perfect for daily commutes, school, sports, gaming, running, telework, and of course, long bike rides and mountain climbing, without worrying about sudden battery drain ⭐︎ Operation confirmed. 20-28 00011 Bone Conduction Earphones Bluetooth with Microphone CVC8.0 Noise Cancelling Dedicated for Calls Bone Conduction Earphones Clear Call Experience Doesn't Block Ears Wireless Bone Conduction Headset Calls Possible While Driving Fast Charging 8 Hours Continuous Use Waterproof and Dustproof 34g Ultra-Lightweight Telework/Remote Work/Working from Home/Zoom/Web Conference Japanese Instruction Manual ……………………………………………………… ♡ Immediate purchase, silent purchase at midnight OK ♡ ♡ First come, first served for only one item! ♡ Welcome bulk purchases!! Feel free to comment. ♡ Free shipping!! Thank you for your understanding of home storage and shipping in simple packaging. Please check the condition of the product in the photos ♡ To be able to sell at a slightly lower price, we may ship the product without the box due to shipping costs. If there is a problem after purchase, we will respond with a refund, etc., so please contact us before evaluation.