V5.0.0 KEYDIY KD-X2 KD X2 Can work with PC software by USB-B connection, and work with Android phone or tablet by OTG connection.
Three functional shortcut buttons: chip identification, remote identification and frequency detection.
No need token
Original KEYDIY KD Smart Watch KD-SW01 quartz
Original KEYDIY KD Smart Watch KD-SW02 liquid Crystal