Hmusic Single Earbud Bluetooth 5.4 (Japanese Voice Guidance & Compatible for Both Ears) Ear-hook Bluetooth Earphone with ENC Microphone for Hands-free Calls, IPX5 Waterproof, Type-C Fast Charging, 20 Hours Playback, LED Battery Level Display, Physical Button, Automatic Pairing, Instant Connection 0 ‐ Mercari: Shop from Japan