V5.3HR+ self-developed version, original shell material, original magnet, 1:1 hinge, full sealing process, support IOS18 system, tap to wake up, call noise reduction No.1, dual six-axis gyroscope, self-developed strong magnetic moving coil module speaker, support dialogue perception/adaptive, ANC/transparent mode, support OTA upgrade, support pop-up window and serial number
$75 Original price was: $75.$60Current price is: $60.