Bluetooth Earphones [2024 Ultimate Sound Quality Edition, Open-Ear Type] Wireless Earphones Bluetooth 5.4 With Microphone Up to 40 Hours Playback Open-Ear Listening Earphones Ear-Hook Style Ultimate Fit Hands-Free Calling Possible Air Conduction Earphones [Fast Charging] These Bluetooth earphones use a USB-C charging port, significantly speeding up charging compared to traditional USB and supporting fast charging, so you can be ready to go even when you're in a hurry. Off-White Functionality Confirmed No charging cable, box, or instruction manual Purchased new on Amazon 1 year ago for 4,299 yen, Used about twice. Anonymous shipping.