Bluetooth bone conduction earphones with microphone Bluetooth Purchased on Amazon for 4999 yen Used twice. Beautiful condition. For running and walking! See the photos for details. #Run/Gym Wear NORI Lightweight: 0.11 kilograms Microphone function, volume control Bluetooth Manufacturer: Erssimo Product model number: 123 ASIN: B0BF5WN71R 2025 Industry New Release Bone Conduction Earphones Bluetooth with Microphone, Bone Conduction Earphones Bluetooth Waterproof Sports Earphones Running Training Cycling Earphones That Don't Block the Ears Bone Conduction Wireless Earphones Bluetooth Earphones Type-C Fast Charging 8 Hours Continuous Use Bone Conduction Headphones 【Industry First! Best Bone Conduction Earphones for Beginners】Unlike conventional earphones that transmit sound through the eardrum, Erssimo's bone conduction earphones use the latest proprietary bone conduction technology, and sound reaches the brain as vibrations through the bones! The new bone conduction earphones feel as light as a feather, weighing only 29g!! You can hear music without blocking your ears, so there's no feeling of pressure, and you won't get tired even after long use! Furthermore, we have succeeded in reducing sound leakage by about 50% compared to conventional bone conduction earphones. You can safely enjoy music in the city, outdoors, or in the office, protecting your ears anytime, anywhere, without choosing the scene! Compatible with glasses. If you are a beginner or don't like in-ear earphones, Erssimo's bone conduction earphones are perfect!