Amazon price: 9,800 yen. New, unused product. Bubble wrap packaging, free shipping. New release: ROCKSHINE R1 Open Ear Headphones, Doesn't Block Ears, Bluetooth, Ear-Hook Style, Air Conduction, Sports Earphones, Automatic Pairing, Allows Ambient Sound for Outdoor Work and Exercise, For Those Who Dislike Bone Conduction Vibration, Japanese Instruction Manual (Black) 1012 This is the latest 【open-ear sports earphones】 developed by ROCK LLC Japan. The R1 adopts a Realtek Bluetooth chip and a dynamic audio algorithm, providing a high-quality music experience. With an innovative design, it's 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 being aware of your surroundings. This not only enhances interaction with the environment and safety but also eliminates concerns about hearing damage even after prolonged use. "High-Quality Sound Experience" By using a Bluetooth chip from the renowned chip manufacturer Realtek, along with 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 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 vibration of bone conduction type earphones. 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 long hours of use. You can comfortably enjoy music while feeling natural ambient sounds, whether you're doing housework, commuting, or working outdoors.