【Immersive Sound with 15mm Driver & ENC】 Large-diameter dynamic drivers and a 4-speaker design reproduce a three-dimensional sound field. Equipped with ENC noise canceling, it cuts out up to 90% of noise in trains. Voices of callers are heard clearly, making it ideal for online meetings and music listening. 【Open-Ear Design & 8g Ultra-Lightweight】 Ergonomic ear hooks and a feather-light weight of 8g. Since they don't completely block the ears, you can hear conversations in the office and announcements at the station, with zero pressure even after long hours of wear. 【IPX6 Water Resistance & Bluetooth 5.4】 IPX6 water resistance that is resistant to rain and sweat. The latest Bluetooth 5.4 chip achieves a communication delay of 0.05 seconds. Multi-point connection with smartphones and PCs is possible, and device switching is also one-touch. 【Up to 40 Hours of Playtime & Fast Charging】 An amazing battery life of 10 hours for the earphones alone + 30 hours with the charging case. A full charge takes only 1.5 hours, so you don't have to worry about running out of battery on overseas trips or Shinkansen travel. 【Intuitive Touch Controls】 Play music/answer calls with a single tap. No need for troublesome button operations, making it stress-free even while running or on crowded trains. Simple operation makes everyday life comfortable.