[ COMPATIBILITY ] This ebike display is compatible with BAFANG elctric bike motor. [ MULTIFUNCTION ] This display is with Bluetooth and Navigation function . You can record and track your riding data on your phone easily , and you can share your cycling experience with friends . Navigation function enables you ride father and explore more fun . [ MORE FUNCTION BUT LESS PRICE ] ① Bluetooth Unlock Ebike Function . ② Type-C charging port . ③ Mileage can be reset ( zero cleaning ). ④ Two passwords : Start password and advanced setting password . ⑤ Navigation function : map searching [ MULTI - LANGUAGE ] 8 language options for you to choose : English Spanish French German Italian Dutch Polish Czech . It is more simple for you to operate the display and enjoy electric bike cycling