Rechargeable via USB port No need to batteries. Recharges easily from USB power sources such as a computer, power bank, or wall charger, keeping you on the road without interruptions. Touch screen for easy operation Simple, intuitive touch screen lets you monitor speed and distance with quick, responsive control. Clear interface designed for safe, handson use while riding. Large display with clear backlight Large, easytoread digits with backlight for visibility in bright daylight or lowlight conditions. Data remains legible even in challenging riding environments. Automatic backlight control Backlight visibility is managed automatically to maintain readability across different lighting conditions, reducing the need for manual adjustments. Use scenarios Daily commuting Easily track your current speed and total distance for timely progress updates and performance awareness during your commute, without worrying about replacing batteries. Longdistance rides and training USB charging ensures you can recharge between sessions. The large, readable display provides continuous performance data during extended rides. Night and earlymorning rides The backlit display and automatic backlight control help you stay informed in lowlight conditions, improving safety and navigation. This product delivers a rechargeable, touchfriendly bike computer experience with a large, readable display and smart backlight features, designed to keep you informed and confident on every ride.