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 Earphones, Automatic Pairing, Allows Ambient Sound for Outdoor Work and Exercise, For Those Who Dislike Bone Conduction Vibration, Japanese Instruction Manual (Black) 1019 This is the latest 【open-ear sports earphones】 developed by 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 using a Bluetooth chip from the renowned chip maker Realtek and 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 earphones provide an outstanding sound experience. "New Appearance and Comfortable Fit" The R1, which combines a unique appearance design with ergonomics, uses lightweight materials and weighs only 31 grams, achieving a comfortable fit. It can be used 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. These earphones are also recommended for those who dislike the vibration of bone conduction types. Open-ear design that doesn't block the ears and provides zero pressure. Furthermore, the vibration-free structure does not put a strain on the 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.