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) 1020 This is the latest developed 【Open-Ear Sports Headphones】 from ROCK LLC, Japan. The R1 uses a Realtek Bluetooth chip and a dynamic audio algorithm to provide 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 your surroundings. 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 using the latest Dynamic EQ audio algorithm and bass correction technology, the sound quality has been improved. Whether running, playing sports, walking, or enjoying leisure outdoors, the R1 earphones provide an outstanding sound quality experience. "New Appearance and Comfortable Fit" The R1, which combines a unique appearance design with ergonomics, uses lightweight materials and achieves a comfortable fit with a weight of only 31 grams. 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 charging. 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, with a vibration-free structure, it doesn't put a strain on your ears even after long hours of use. You can comfortably enjoy music while feeling the natural ambient sounds while doing housework, commuting, or working outdoors.