RHA TrueConnect 2 wireless earbuds announced: Improved battery life, controls, and element resistance | ZDNET
Amazon.co.jp: RHA TrueConnect 2 Fully Wireless Earphones, Uses Left and Right Simultaneous Transmission, True Wireless, Bluetooth 5.0, SBC/AAC Compatible, Bluetooth 44 Hour Playback, 3 Year Warranty, UK IP55 Waterproof Standards, 2 Microphone