Nagaoka M315BONE

M315BONE is a bone conduction earphone with excellent cost performance. Since the sound is transmitted by the vibration of the bones, it is possible to capture external sounds without blocking the ears, and you can listen to the surrounding sounds while enjoying music and calls. In addition, the main body color is available in three colors: black, blue, and beige. ・Comfort and operability The included rubber band allows you to adjust the tightness of the earphone part for a better fit. In addition, play/pause/answer/end of speech/song forward/song backward operation is possible from the earphone itself. - Lightweight and long-lasting playback With a long-term music playback function of up to 6 hours and a lightweight design of 25g, it does not get tired even if you use it for a long time, and can be used in various scenes such as commuting to school, commuting, sports, and business scenes. - IPX5 waterproof It is characterized by its resistance to sweat and rain. It can be used not only for town use, but also outdoors such as the sea and mountains, which tend to be bad weather, and for exercise. * About the warranty of the product If you cannot hear the sound from the side or both sides, we will replace it only once during the warranty period only if it is not damaged or worn due to handling. There is no warranty period for replacements. Thank you for your understanding. Damage due to handling or disconnection due to wear and tear is not covered by the warranty.