["Samsung Removable Battery","7-Speed Shift Gears","This VINKA 350W center-drive motor’s responsive torque curve delivers whisper power to your pedals, perfectly in-tune with your normal riding cadence and leaves no resistance in pure riding.","IP65 rated DS20 LCD with adjustable backlight, displays current speed, boost level, total odometer, trip odometer, and pedaling cadence. The 4 riding modes includes throttle mode, 5-level pedal assist mode, walk assist mode, and traditional riding mode. "]