Thank you for viewing! Brand new, unused ⭐️ (Opened for content confirmation) Instant purchase welcome ⭕️ ⭐️ 100 yen off with follow ⭐️ * Since it is unused, we have not checked the operation. We appreciate your understanding and look forward to your purchase. [Bone Conduction Hearing Aid - DSP High-Performance Chip] With advanced industry technology, it is both a bone conduction hearing aid and a Bluetooth headphone. With a DSP high-performance chip and intelligent noise reduction function, you can hear clear audio. It transmits sound directly to the auditory nerve through the skull, without transmitting sound through the ear canal, and does not damage the eardrum. Equipped with a high-performance chip, it reduces noise by about 90% while amplifying sound up to 35 times! [Easy to Use - Two Modes] When you turn on the power, the hearing mode automatically turns on, and you can switch the hearing mode by briefly pressing the power button (weak noise reduction mode → strong noise reduction mode). After connecting to your smartphone via Bluetooth, the hearing mode will automatically turn off when you receive a call. When the call ends, the hearing mode will automatically turn on in about 3-5 seconds. [No need to enter the ear, comfortable to wear - Bluetooth 5.3 fast and stable] It fits snugly in both ears and conforms to an ergonomic sound conduction structure, adhering to the skin, and your ears won't hurt even after wearing it for a long time. Lossless sound source transmission, wireless music listening of about 10M, and Bluetooth calls without delay. This product can be used as a Bluetooth headphone, and you can answer and make calls. [Magnetic USB Charging - Lightweight - IPX5] Magnetic USB charging, fully charged in about 2 hours, can be used for about 15 hours. The earphones weigh about 29g and are very light, reducing the burden of wearing them for a long time. Supports IPX5 standard waterproof and dustproof.