Amazon price: ¥9,800. Brand new, unused. Bubble wrap packaging, free shipping. New release: ROCKSHINE R1 Open Ear Headphones, Doesn't Block Ears, Bluetooth, Ear-hook Style, Air Conduction, Sports Headphones, Automatic Pairing, Allows you to hear ambient sounds even during outdoor work or exercise, for those who dislike the vibrations of bone conduction type, Japanese instruction manual (Black) 1017 This is the latest 【Open-Ear Sports Headphones】 developed by ROCK LLC of Japan. The R1 adopts a Realtek Bluetooth chip and a dynamic audio algorithm, providing a high-quality music experience. With its innovative design, it is lightweight and comfortable, perfect for outdoor activities such as running, sports, and leisure. "Open-Ear Design" The R1 adopts an open-ear design, allowing you to enjoy music while sensing the surrounding environment. This not only improves interaction with the environment and safety but also eliminates concerns about hearing damage even after prolonged use. "High-Quality Sound Experience" By adopting a Bluetooth chip from the renowned chip manufacturer Realtek and utilizing the latest Dynamic EQ audio algorithm and bass correction technology, the sound quality has been further enhanced. Whether running, playing sports, walking, or enjoying leisure outdoors, the R1 headphones provide an outstanding sound quality experience. "New Appearance and Comfortable Fit" Combining a unique appearance design with ergonomics, the R1 uses lightweight materials, weighing only 31 grams, to achieve a comfortable fit. You can use it comfortably even during exercise. "Long-lasting Battery Life, Magnetic Charging" With a built-in 180mAh battery and an easy charging method, you can enjoy 12 hours of continuous music playback after a full charge. Provides a more open and comfortable listening experience. Recommended for those who dislike the vibrations of bone conduction type headphones. Open-ear design that doesn't block the ears and provides zero pressure. Furthermore, the vibration-free structure doesn't put a strain on the ears even after prolonged use. You can comfortably enjoy music while feeling natural ambient sounds, whether you're doing housework, commuting, or working outdoors.