ng, as if two people are chatting face to face. ♬ Bluetooth 5.3: Adopts the newly upgraded 5.3 high-version Bluetooth chip, which has higher compatibility and faster and more stable data transmission. ♬ Lower power consumption and stronger battery life: 16 hours of continuous use at a time. ♬ High-definition sound quality decoding: 10mm composite diaphragm speaker takes into account both high and low bass, and pays attention to the detailed sound experience. ♬ Smart one-to-two: You can connect two Bluetooth devices at the same time, switch calls at any time, and have fun with entertainment. ♬ Wide compatibility: Strong compatibility, suitable for half helmets, full helmets, and flip-up helmets. Hint 1: Connect two Bluetooth devices at the same time: Bluetooth pair the first mobile phone ---> turn off the Bluetooth function of the first mobile phone, and then pair the second mobile pho...