Used item. Used a few times. 【Bone Conduction Technology】 This HS1 bone conduction earphone allows you to enjoy music without blocking your ears, so you can use it safely while listening to ambient sounds. 【Comfortable Fit】 The lightweight and well-fitting design makes it comfortable for long hours of use. Ideal for use during exercise or in daily life. 【Multi-functionality】 In addition to music playback, it also has a call function, allowing for hands-free calls. - Brand: HS1 - Type: Bone conduction earphones - Languages: English, Japanese - Color: Black - Design: Open-ear Thank you for viewing.