Velomann s123 23 function computer hrm
Velomann s123 23 function computer hrm basic functions current speed average speed maximum speed speed comparison dual wheel size trip time trip distance odo1 odo2 total odo odo count down daily distance clock 1224hr calorie consumption auto start stop auto scan backlight low battery indicator function menu with settable language heart rate features current heart rate heart rate comparison average heart rate maximum heart rate heart rate alarm max heart rate