- Package includes everything you need: air pump (127g), extension tube (24g), valve adapter (3.5g), silicone sleeve (15.5g), carrying pouch (13g), USB C cable (14.5g), user manual, and ball needle tool. The total weight is under 200g, making it lightweight and easy to carry. - Inflate your tires quickly: This portable bike pump can refill 2-3 700 32C tires from 0 to 100 PSI in about 3 minutes. It features an automatic shut-off function that activates when the preset pressure is reached, preventing overinflation for safer use. - Versatile pressure options: Choose from 100 PSI, 65 PSI, and 8 PSI settings. Ideal for narrower tires (700x23c, 25c, 28c) and lower inflation pressures, this pump maximizes inflations while minimizing inflation time. It is compatible with both Schrader and Presta valves, ensuring broad usability. - Rapid charging and long-lasting power: Powered by two 630mAh batteries that fully charge in just 1 hour using a standard USB Type-C cable, you can easily inflate multiple tires without worrying about battery life. Use scenarios include: - Quickly inflating your bike tires before a race or ride without delays. - Maintaining optimal tire pressure during weekend cycling trips, enhancing performance and safety. - Conveniently adding air to sports balls or inflatable equipment at home or on the go. This portable air pump is the perfect solution for cyclists and sports enthusiasts looking for efficiency, reliability, and ease of use in tire inflation.