Amazon.co.jp: JVC Kenwood HA-XC91T Fully Wireless Earbuds XX Series Noise Cancelling Waterproof Dustproof Shockproof Tough Body Large Aperture Driver Unit Up to 34 Hours Playback Sound Capture Function Hands-free Calling Bluetooth Version
Amazon.co.jp: JVC HA-XC90T Fully Wireless Earbuds XX Series Waterproof Dustproof Shockproof Tough Body Large Aperture Driver Unit Up to 45 Hours Playtime Hands-free Calling Support Bluetooth Ver. 5.0 Black : Electronics